Add alt shortcut support to many elements

DiffViewState::post_update is where the flag gets set, so clearing it right before that at the start of the function seems to make the most sense, instead of doing it in App::update.

.cargo/config.toml

@@ -0,0 +1,5 @@
+[target.x86_64-pc-windows-msvc]
+linker = "rust-lld"
+
+[target.aarch64-pc-windows-msvc]
+linker = "rust-lld"

.github/workflows/build.yaml

@@ -30,6 +30,8 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
+      - name: Cache Rust workspace
+        uses: Swatinem/rust-cache@v2
       - name: Cargo check
         run: cargo check --all-features --all-targets
       - name: Cargo clippy
@@ -85,6 +87,8 @@ jobs:
         uses: actions/checkout@v4
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@stable
+      - name: Cache Rust workspace
+        uses: Swatinem/rust-cache@v2
       - name: Cargo test
         run: cargo test --release --all-features
 
@@ -151,6 +155,10 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with:
           targets: ${{ matrix.target }}
+      - name: Cache Rust workspace
+        uses: Swatinem/rust-cache@v2
+        with:
+          key: ${{ matrix.target }}
       - name: Cargo build
         run: >
           cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }} 
@@ -202,6 +210,10 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with:
           targets: ${{ matrix.target }}
+      - name: Cache Rust workspace
+        uses: Swatinem/rust-cache@v2
+        with:
+          key: ${{ matrix.target }}
       - name: Cargo build
         run: >
           cargo build --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }} 

.gitignore

@@ -3,10 +3,6 @@ target/
 **/*.rs.bk
 generated/
 
-# cargo-mobile
-.cargo/
-/gen
-
 # macOS
 .DS_Store
 
@@ -22,4 +18,4 @@ android.keystore
 *.frag
 *.vert
 *.metal
-.vscode/launch.json
+.vscode/

Cargo.toml

@@ -13,7 +13,7 @@ strip = "debuginfo"
 codegen-units = 1
 
 [workspace.package]
-version = "2.3.2"
+version = "2.4.0"
 authors = ["Luke Street <luke@street.dev>"]
 edition = "2021"
 license = "MIT OR Apache-2.0"

README.md

@@ -20,6 +20,7 @@ Supports:
 - MIPS (N64, PS1, PS2, PSP)
 - x86 (COFF only at the moment)
 - ARM (GBA, DS, 3DS)
+- ARM64 (Switch, experimental)
 
 See [Usage](#usage) for more information.
 

deny.toml

@@ -73,6 +73,7 @@ ignore = [
     #{ id = "RUSTSEC-0000-0000", reason = "you can specify a reason the advisory is ignored" },
     #"a-crate-that-is-yanked@0.1.1", # you can also ignore yanked crate versions if you wish
     #{ crate = "a-crate-that-is-yanked@0.1.1", reason = "you can specify why you are ignoring the yanked crate" },
+    { id = "RUSTSEC-2024-0384", reason = "Unmaintained indirect dependency" },
 ]
 # If this is true, then cargo deny will use the git executable to fetch advisory database.
 # If this is false, then it uses a built-in git library.
@@ -97,7 +98,7 @@ allow = [
     "BSL-1.0",
     "CC0-1.0",
     "MPL-2.0",
-    "Unicode-DFS-2016",
+    "Unicode-3.0",
     "Zlib",
     "0BSD",
     "OFL-1.1",

objdiff-cli/Cargo.toml

@@ -20,7 +20,7 @@ enable-ansi-support = "0.2"
 memmap2 = "0.9"
 objdiff-core = { path = "../objdiff-core", features = ["all"] }
 prost = "0.13"
-ratatui = "0.28"
+ratatui = "0.29"
 rayon = "1.10"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"

objdiff-cli/src/cmd/diff.rs

@@ -844,10 +844,14 @@ impl FunctionDiffUi {
                             base_color = COLOR_ROTATION[diff.idx % COLOR_ROTATION.len()]
                         }
                     }
-                    DiffText::Symbol(sym) => {
+                    DiffText::Symbol(sym, diff) => {
                         let name = sym.demangled_name.as_ref().unwrap_or(&sym.name);
                         label_text = name.clone();
-                        base_color = Color::White;
+                        if let Some(diff) = diff {
+                            base_color = COLOR_ROTATION[diff.idx % COLOR_ROTATION.len()]
+                        } else {
+                            base_color = Color::White;
+                        }
                     }
                     DiffText::Spacing(n) => {
                         line.spans.push(Span::raw(" ".repeat(n)));

objdiff-core/Cargo.toml

@@ -16,16 +16,17 @@ documentation = "https://docs.rs/objdiff-core"
 crate-type = ["cdylib", "rlib"]
 
 [features]
-all = ["config", "dwarf", "mips", "ppc", "x86", "arm", "bindings"]
+all = ["config", "dwarf", "mips", "ppc", "x86", "arm", "arm64", "bindings"]
-any-arch = ["bimap"] # Implicit, used to check if any arch is enabled
+any-arch = ["config", "dep:bimap", "dep:strum", "dep:similar", "dep:flagset", "dep:log", "dep:memmap2", "dep:byteorder", "dep:num-traits"] # Implicit, used to check if any arch is enabled
-config = ["bimap", "globset", "semver", "serde_json", "serde_yaml"]
+config = ["dep:bimap", "dep:globset", "dep:semver", "dep:serde_json", "dep:serde_yaml", "dep:serde", "dep:filetime"]
-dwarf = ["gimli"]
+dwarf = ["dep:gimli"]
-mips = ["any-arch", "rabbitizer"]
+mips = ["any-arch", "dep:rabbitizer"]
-ppc = ["any-arch", "cwdemangle", "cwextab", "ppc750cl"]
+ppc = ["any-arch", "dep:cwdemangle", "dep:cwextab", "dep:ppc750cl"]
-x86 = ["any-arch", "cpp_demangle", "iced-x86", "msvc-demangler"]
+x86 = ["any-arch", "dep:cpp_demangle", "dep:iced-x86", "dep:msvc-demangler"]
-arm = ["any-arch", "cpp_demangle", "unarm", "arm-attr"]
+arm = ["any-arch", "dep:cpp_demangle", "dep:unarm", "dep:arm-attr"]
-bindings = ["serde_json", "prost", "pbjson"]
+arm64 = ["any-arch", "dep:cpp_demangle", "dep:yaxpeax-arch", "dep:yaxpeax-arm"]
-wasm = ["bindings", "console_error_panic_hook", "console_log"]
+bindings = ["dep:serde_json", "dep:prost", "dep:pbjson", "dep:serde", "dep:prost-build", "dep:pbjson-build"]
+wasm = ["bindings", "any-arch", "dep:console_error_panic_hook", "dep:console_log", "dep:wasm-bindgen", "dep:tsify-next", "dep:log"]
 
 [package.metadata.docs.rs]
 features = ["all"]
@@ -33,20 +34,20 @@ features = ["all"]
 [dependencies]
 anyhow = "1.0"
 bimap = { version = "0.6", features = ["serde"], optional = true }
-byteorder = "1.5"
+byteorder = { version = "1.5", optional = true }
-filetime = "0.2"
+filetime = { version = "0.2", optional = true }
-flagset = "0.4"
+flagset = { version = "0.4", optional = true }
-log = "0.4"
+log = { version = "0.4", optional = true }
-memmap2 = "0.9"
+memmap2 = { version = "0.9", optional = true }
-num-traits = "0.2"
+num-traits = { version = "0.2", optional = true }
 object = { version = "0.36", features = ["read_core", "std", "elf", "pe"], default-features = false }
 pbjson = { version = "0.7", optional = true }
 prost = { version = "0.13", optional = true }
-serde = { version = "1.0", features = ["derive"] }
+serde = { version = "1.0", features = ["derive"], optional = true }
-similar = { version = "2.6", default-features = false }
+similar = { version = "2.6", default-features = false, optional = true }
-strum = { version = "0.26", features = ["derive"] }
+strum = { version = "0.26", features = ["derive"], optional = true }
-wasm-bindgen = "0.2"
+wasm-bindgen = { version = "0.2", optional = true }
-tsify-next = { version = "0.5", default-features = false, features = ["js"] }
+tsify-next = { version = "0.5", default-features = false, features = ["js"], optional = true }
 console_log = { version = "1.0", optional = true }
 console_error_panic_hook = { version = "0.1", optional = true }
 
@@ -76,6 +77,10 @@ msvc-demangler = { version = "0.10", optional = true }
 unarm = { version = "1.6", optional = true }
 arm-attr = { version = "0.1", optional = true }
 
+# arm64
+yaxpeax-arch = { version = "0.3", default-features = false, features = ["std"], optional = true }
+yaxpeax-arm = { version = "0.3", default-features = false, features = ["std"], optional = true }
+
 [build-dependencies]
-prost-build = "0.13"
+prost-build = { version = "0.13", optional = true }
-pbjson-build = "0.7"
+pbjson-build = { version = "0.7", optional = true }

objdiff-core/README.md

@@ -11,4 +11,5 @@ objdiff-core contains the core functionality of [objdiff](https://github.com/enc
 - **`ppc`**: Enables the PowerPC backend powered by [ppc750cl](https://github.com/encounter/ppc750cl).
 - **`x86`**: Enables the x86 backend powered by [iced-x86](https://crates.io/crates/iced-x86).
 - **`arm`**: Enables the ARM backend powered by [unarm](https://github.com/AetiasHax/unarm).
+- **`arm64`**: Enables the ARM64 backend powered by [yaxpeax-arm](https://github.com/iximeow/yaxpeax-arm).
 - **`bindings`**: Enables serialization and deserialization of objdiff data structures.

objdiff-core/build.rs

@@ -1,6 +1,11 @@
-use std::path::{Path, PathBuf};
-
 fn main() {
+    #[cfg(feature = "bindings")]
+    compile_protos();
+}
+
+#[cfg(feature = "bindings")]
+fn compile_protos() {
+    use std::path::{Path, PathBuf};
     let root = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("protos");
     let descriptor_path = root.join("proto_descriptor.bin");
     println!("cargo:rerun-if-changed={}", descriptor_path.display());

objdiff-core/src/arch/arm.rs

@@ -124,11 +124,9 @@ impl ObjArch for ObjArchArm {
             .get(&SectionIndex(section_index))
             .map(|x| x.as_slice())
             .unwrap_or(&fallback_mappings);
-        let first_mapping_idx =
+        let first_mapping_idx = mapping_symbols
-            match mapping_symbols.binary_search_by_key(&start_addr, |x| x.address) {
+            .binary_search_by_key(&start_addr, |x| x.address)
-                Ok(idx) => idx,
+            .unwrap_or_else(|idx| idx - 1);
-                Err(idx) => idx - 1,
-            };
         let first_mapping = mapping_symbols[first_mapping_idx].mapping;
 
         let mut mappings_iter =
@@ -215,7 +213,7 @@ impl ObjArch for ObjArchArm {
                 address: address as u64,
                 size: (parser.address - address) as u8,
                 op: ins.opcode_id(),
-                mnemonic: parsed_ins.mnemonic.to_string(),
+                mnemonic: Cow::Borrowed(parsed_ins.mnemonic),
                 args,
                 reloc,
                 branch_dest,
@@ -234,7 +232,7 @@ impl ObjArch for ObjArchArm {
         section: &ObjSection,
         address: u64,
         reloc: &Relocation,
-    ) -> anyhow::Result<i64> {
+    ) -> Result<i64> {
         let address = address as usize;
         Ok(match reloc.flags() {
             // ARM calls

objdiff-core/src/arch/mips.rs

@@ -119,7 +119,7 @@ impl ObjArch for ObjArchMips {
             let op = instruction.unique_id as u16;
             ops.push(op);
 
-            let mnemonic = instruction.opcode_name().to_string();
+            let mnemonic = instruction.opcode_name();
             let is_branch = instruction.is_branch();
             let branch_offset = instruction.branch_offset();
             let mut branch_dest = if is_branch {
@@ -202,7 +202,7 @@ impl ObjArch for ObjArchMips {
                 address: cur_addr as u64,
                 size: 4,
                 op,
-                mnemonic,
+                mnemonic: Cow::Borrowed(mnemonic),
                 args,
                 reloc: reloc.cloned(),
                 branch_dest,

objdiff-core/src/arch/mod.rs

@@ -12,6 +12,8 @@ use crate::{
 
 #[cfg(feature = "arm")]
 mod arm;
+#[cfg(feature = "arm64")]
+mod arm64;
 #[cfg(feature = "mips")]
 pub mod mips;
 #[cfg(feature = "ppc")]
@@ -34,7 +36,11 @@ pub enum DataType {
 
 impl DataType {
     pub fn display_bytes<Endian: ByteOrder>(&self, bytes: &[u8]) -> Option<String> {
-        if self.required_len().is_some_and(|l| bytes.len() < l) {
+        // TODO: Attempt to interpret large symbols as arrays of a smaller type,
+        // fallback to intrepreting it as bytes.
+        // https://github.com/encounter/objdiff/issues/124
+        if self.required_len().is_some_and(|l| bytes.len() != l) {
+            log::warn!("Failed to display a symbol value for a symbol whose size doesn't match the instruction referencing it.");
             return None;
         }
 
@@ -161,6 +167,8 @@ pub fn new_arch(object: &File) -> Result<Box<dyn ObjArch>> {
         Architecture::I386 | Architecture::X86_64 => Box::new(x86::ObjArchX86::new(object)?),
         #[cfg(feature = "arm")]
         Architecture::Arm => Box::new(arm::ObjArchArm::new(object)?),
+        #[cfg(feature = "arm64")]
+        Architecture::Aarch64 => Box::new(arm64::ObjArchArm64::new(object)?),
         arch => bail!("Unsupported architecture: {arch:?}"),
     })
 }

objdiff-core/src/arch/ppc.rs

@@ -143,7 +143,7 @@ impl ObjArch for ObjArchPpc {
             insts.push(ObjIns {
                 address: cur_addr as u64,
                 size: 4,
-                mnemonic: simplified.mnemonic.to_string(),
+                mnemonic: Cow::Borrowed(simplified.mnemonic),
                 args,
                 reloc: reloc.cloned(),
                 op: ins.op as u16,

objdiff-core/src/arch/x86.rs

@@ -51,7 +51,7 @@ impl ObjArch for ObjArchX86 {
                 address: 0,
                 size: 0,
                 op: 0,
-                mnemonic: String::new(),
+                mnemonic: Cow::Borrowed("<invalid>"),
                 args: vec![],
                 reloc: None,
                 branch_dest: None,
@@ -76,7 +76,7 @@ impl ObjArch for ObjArchX86 {
                 address,
                 size: instruction.len() as u8,
                 op,
-                mnemonic: String::new(),
+                mnemonic: Cow::Borrowed("<invalid>"),
                 args: vec![],
                 reloc: reloc.cloned(),
                 branch_dest: None,
@@ -242,7 +242,8 @@ impl FormatterOutput for InstructionFormatterOutput {
 
     fn write_mnemonic(&mut self, _instruction: &Instruction, text: &str) {
         self.formatted.push_str(text);
-        self.ins.mnemonic = text.to_string();
+        // TODO: can iced-x86 guarantee 'static here?
+        self.ins.mnemonic = Cow::Owned(text.to_string());
     }
 
     fn write_number(

objdiff-core/src/bindings/diff.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::needless_lifetimes)] // Generated serde code
 use crate::{
     diff::{
         ObjDataDiff, ObjDataDiffKind, ObjDiff, ObjInsArgDiff, ObjInsBranchFrom, ObjInsBranchTo,
@@ -132,7 +133,7 @@ impl Instruction {
             address: instruction.address,
             size: instruction.size as u32,
             opcode: instruction.op as u32,
-            mnemonic: instruction.mnemonic.clone(),
+            mnemonic: instruction.mnemonic.to_string(),
             formatted: instruction.formatted.clone(),
             arguments: instruction.args.iter().map(Argument::new).collect(),
             relocation: instruction.reloc.as_ref().map(|reloc| Relocation::new(object, reloc)),

objdiff-core/src/bindings/report.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::needless_lifetimes)] // Generated serde code
 use std::ops::AddAssign;
 
 use anyhow::{bail, Result};
@@ -173,8 +174,7 @@ impl Report {
                 continue;
             }
             fn is_sub_category(id: &str, parent: &str, sep: char) -> bool {
-                id.starts_with(parent)
+                id.starts_with(parent) && id.get(parent.len()..).is_some_and(|s| s.starts_with(sep))
-                    && id.get(parent.len()..).map_or(false, |s| s.starts_with(sep))
             }
             let mut sub_categories = self
                 .categories

objdiff-core/src/config/mod.rs

@@ -165,6 +165,8 @@ pub struct ScratchConfig {
     pub ctx_path: Option<PathBuf>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub build_ctx: Option<bool>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub preset_id: Option<u32>,
 }
 
 pub const CONFIG_FILENAMES: [&str; 3] = ["objdiff.json", "objdiff.yml", "objdiff.yaml"];

objdiff-core/src/diff/code.rs

@@ -259,11 +259,17 @@ fn arg_eq(
                     right_diff.ins.as_ref().and_then(|i| i.reloc.as_ref()),
                 )
         }
-        ObjInsArg::BranchDest(_) => {
+        ObjInsArg::BranchDest(_) => match right {
             // Compare dest instruction idx after diffing
-            left_diff.branch_to.as_ref().map(|b| b.ins_idx)
+            ObjInsArg::BranchDest(_) => {
-                == right_diff.branch_to.as_ref().map(|b| b.ins_idx)
+                left_diff.branch_to.as_ref().map(|b| b.ins_idx)
-        }
+                    == right_diff.branch_to.as_ref().map(|b| b.ins_idx)
+            }
+            // If relocations are relaxed, match if left is a constant and right is a reloc
+            // Useful for instances where the target object is created without relocations
+            ObjInsArg::Reloc => config.relax_reloc_diffs,
+            _ => false,
+        },
     }
 }
 
@@ -293,15 +299,10 @@ fn compare_ins(
 ) -> Result<InsDiffResult> {
     let mut result = InsDiffResult::default();
     if let (Some(left_ins), Some(right_ins)) = (&left.ins, &right.ins) {
-        if left_ins.args.len() != right_ins.args.len()
+        // Count only non-PlainText args
-            || left_ins.op != right_ins.op
+        let left_args_count = left_ins.iter_args().count();
-            // Check if any PlainText segments differ (punctuation and spacing)
+        let right_args_count = right_ins.iter_args().count();
-            // This indicates a more significant difference than a simple arg mismatch
+        if left_args_count != right_args_count || left_ins.op != right_ins.op {
-            || !left_ins.args.iter().zip(&right_ins.args).all(|(a, b)| match (a, b) {
-                (ObjInsArg::PlainText(l), ObjInsArg::PlainText(r)) => l == r,
-                _ => true,
-            })
-        {
             // Totally different op
             result.kind = ObjInsDiffKind::Replace;
             state.diff_count += 1;
@@ -312,7 +313,7 @@ fn compare_ins(
             result.kind = ObjInsDiffKind::OpMismatch;
             state.diff_count += 1;
         }
-        for (a, b) in left_ins.args.iter().zip(&right_ins.args) {
+        for (a, b) in left_ins.iter_args().zip(right_ins.iter_args()) {
             if arg_eq(config, left_obj, right_obj, a, b, left, right) {
                 result.left_args_diff.push(None);
                 result.right_args_diff.push(None);
@@ -324,8 +325,11 @@ fn compare_ins(
                 let a_str = match a {
                     ObjInsArg::PlainText(arg) => arg.to_string(),
                     ObjInsArg::Arg(arg) => arg.to_string(),
-                    ObjInsArg::Reloc => String::new(),
+                    ObjInsArg::Reloc => left_ins
-                    ObjInsArg::BranchDest(arg) => format!("{arg}"),
+                        .reloc
+                        .as_ref()
+                        .map_or_else(|| "<unknown>".to_string(), |r| r.target.name.clone()),
+                    ObjInsArg::BranchDest(arg) => arg.to_string(),
                 };
                 let a_diff = if let Some(idx) = state.left_args_idx.get(&a_str) {
                     ObjInsArgDiff { idx: *idx }
@@ -338,8 +342,11 @@ fn compare_ins(
                 let b_str = match b {
                     ObjInsArg::PlainText(arg) => arg.to_string(),
                     ObjInsArg::Arg(arg) => arg.to_string(),
-                    ObjInsArg::Reloc => String::new(),
+                    ObjInsArg::Reloc => right_ins
-                    ObjInsArg::BranchDest(arg) => format!("{arg}"),
+                        .reloc
+                        .as_ref()
+                        .map_or_else(|| "<unknown>".to_string(), |r| r.target.name.clone()),
+                    ObjInsArg::BranchDest(arg) => arg.to_string(),
                 };
                 let b_diff = if let Some(idx) = state.right_args_idx.get(&b_str) {
                     ObjInsArgDiff { idx: *idx }

objdiff-core/src/diff/display.rs

@@ -22,7 +22,7 @@ pub enum DiffText<'a> {
     /// Branch destination
     BranchDest(u64, Option<&'a ObjInsArgDiff>),
     /// Symbol name
-    Symbol(&'a ObjSymbol),
+    Symbol(&'a ObjSymbol, Option<&'a ObjInsArgDiff>),
     /// Number of spaces
     Spacing(usize),
     /// End of line
@@ -58,20 +58,23 @@ pub fn display_diff<E>(
         cb(DiffText::Spacing(4))?;
     }
     cb(DiffText::Opcode(&ins.mnemonic, ins.op))?;
+    let mut arg_diff_idx = 0; // non-PlainText index
     for (i, arg) in ins.args.iter().enumerate() {
         if i == 0 {
             cb(DiffText::Spacing(1))?;
         }
-        let diff = ins_diff.arg_diff.get(i).and_then(|o| o.as_ref());
+        let diff = ins_diff.arg_diff.get(arg_diff_idx).and_then(|o| o.as_ref());
         match arg {
             ObjInsArg::PlainText(s) => {
                 cb(DiffText::Basic(s))?;
             }
             ObjInsArg::Arg(v) => {
                 cb(DiffText::Argument(v, diff))?;
+                arg_diff_idx += 1;
             }
             ObjInsArg::Reloc => {
-                display_reloc_name(ins.reloc.as_ref().unwrap(), &mut cb)?;
+                display_reloc_name(ins.reloc.as_ref().unwrap(), &mut cb, diff)?;
+                arg_diff_idx += 1;
             }
             ObjInsArg::BranchDest(dest) => {
                 if let Some(dest) = dest.checked_sub(base_addr) {
@@ -79,6 +82,7 @@ pub fn display_diff<E>(
                 } else {
                     cb(DiffText::Basic("<unknown>"))?;
                 }
+                arg_diff_idx += 1;
             }
         }
     }
@@ -92,8 +96,9 @@ pub fn display_diff<E>(
 fn display_reloc_name<E>(
     reloc: &ObjReloc,
     mut cb: impl FnMut(DiffText) -> Result<(), E>,
+    diff: Option<&ObjInsArgDiff>,
 ) -> Result<(), E> {
-    cb(DiffText::Symbol(&reloc.target))?;
+    cb(DiffText::Symbol(&reloc.target, diff))?;
     match reloc.addend.cmp(&0i64) {
         Ordering::Greater => cb(DiffText::Basic(&format!("+{:#x}", reloc.addend))),
         Ordering::Less => cb(DiffText::Basic(&format!("-{:#x}", -reloc.addend))),
@@ -106,7 +111,7 @@ impl PartialEq<DiffText<'_>> for HighlightKind {
         match (self, other) {
             (HighlightKind::Opcode(a), DiffText::Opcode(_, b)) => a == b,
             (HighlightKind::Arg(a), DiffText::Argument(b, _)) => a.loose_eq(b),
-            (HighlightKind::Symbol(a), DiffText::Symbol(b)) => a == &b.name,
+            (HighlightKind::Symbol(a), DiffText::Symbol(b, _)) => a == &b.name,
             (HighlightKind::Address(a), DiffText::Address(b) | DiffText::BranchDest(b, _)) => {
                 a == b
             }
@@ -124,7 +129,7 @@ impl From<DiffText<'_>> for HighlightKind {
         match value {
             DiffText::Opcode(_, op) => HighlightKind::Opcode(op),
             DiffText::Argument(arg, _) => HighlightKind::Arg(arg.clone()),
-            DiffText::Symbol(sym) => HighlightKind::Symbol(sym.name.to_string()),
+            DiffText::Symbol(sym, _) => HighlightKind::Symbol(sym.name.to_string()),
             DiffText::Address(addr) | DiffText::BranchDest(addr, _) => HighlightKind::Address(addr),
             _ => HighlightKind::None,
         }

objdiff-core/src/diff/mod.rs

@@ -11,7 +11,7 @@ use crate::{
             diff_generic_section, no_diff_symbol,
         },
     },
-    obj::{ObjInfo, ObjIns, ObjSection, ObjSectionKind, ObjSymbol, SymbolRef},
+    obj::{ObjInfo, ObjIns, ObjSection, ObjSectionKind, ObjSymbol, SymbolRef, SECTION_COMMON},
 };
 
 pub mod code;
@@ -29,8 +29,8 @@ pub mod display;
     serde::Serialize,
     strum::VariantArray,
     strum::EnumMessage,
-    tsify_next::Tsify,
 )]
+#[cfg_attr(feature = "wasm", derive(tsify_next::Tsify))]
 pub enum X86Formatter {
     #[default]
     #[strum(message = "Intel (default)")]
@@ -54,8 +54,8 @@ pub enum X86Formatter {
     serde::Serialize,
     strum::VariantArray,
     strum::EnumMessage,
-    tsify_next::Tsify,
 )]
+#[cfg_attr(feature = "wasm", derive(tsify_next::Tsify))]
 pub enum MipsAbi {
     #[default]
     #[strum(message = "Auto (default)")]
@@ -79,8 +79,8 @@ pub enum MipsAbi {
     serde::Serialize,
     strum::VariantArray,
     strum::EnumMessage,
-    tsify_next::Tsify,
 )]
+#[cfg_attr(feature = "wasm", derive(tsify_next::Tsify))]
 pub enum MipsInstrCategory {
     #[default]
     #[strum(message = "Auto (default)")]
@@ -108,8 +108,8 @@ pub enum MipsInstrCategory {
     serde::Serialize,
     strum::VariantArray,
     strum::EnumMessage,
-    tsify_next::Tsify,
 )]
+#[cfg_attr(feature = "wasm", derive(tsify_next::Tsify))]
 pub enum ArmArchVersion {
     #[default]
     #[strum(message = "Auto (default)")]
@@ -133,8 +133,8 @@ pub enum ArmArchVersion {
     serde::Serialize,
     strum::VariantArray,
     strum::EnumMessage,
-    tsify_next::Tsify,
 )]
+#[cfg_attr(feature = "wasm", derive(tsify_next::Tsify))]
 pub enum ArmR9Usage {
     #[default]
     #[strum(
@@ -154,8 +154,9 @@ pub enum ArmR9Usage {
 #[inline]
 const fn default_true() -> bool { true }
 
-#[derive(Debug, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize, tsify_next::Tsify)]
+#[derive(Debug, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize)]
-#[tsify(from_wasm_abi)]
+#[cfg_attr(feature = "wasm", derive(tsify_next::Tsify))]
+#[cfg_attr(feature = "wasm", tsify(from_wasm_abi))]
 #[serde(default)]
 pub struct DiffObjConfig {
     pub relax_reloc_diffs: bool,
@@ -244,7 +245,7 @@ pub struct ObjInsDiff {
     pub branch_from: Option<ObjInsBranchFrom>,
     /// Branches to instruction
     pub branch_to: Option<ObjInsBranchTo>,
-    /// Arg diffs
+    /// Arg diffs (only contains non-PlainText args)
     pub arg_diff: Vec<Option<ObjInsArgDiff>>,
 }
 
@@ -339,7 +340,7 @@ impl ObjDiff {
         }
         for (symbol_idx, _) in obj.common.iter().enumerate() {
             result.common.push(ObjSymbolDiff {
-                symbol_ref: SymbolRef { section_idx: obj.sections.len(), symbol_idx },
+                symbol_ref: SymbolRef { section_idx: SECTION_COMMON, symbol_idx },
                 target_symbol: None,
                 instructions: vec![],
                 match_percent: None,
@@ -360,7 +361,7 @@ impl ObjDiff {
 
     #[inline]
     pub fn symbol_diff(&self, symbol_ref: SymbolRef) -> &ObjSymbolDiff {
-        if symbol_ref.section_idx == self.sections.len() {
+        if symbol_ref.section_idx == SECTION_COMMON {
             &self.common[symbol_ref.symbol_idx]
         } else {
             &self.section_diff(symbol_ref.section_idx).symbols[symbol_ref.symbol_idx]
@@ -369,7 +370,7 @@ impl ObjDiff {
 
     #[inline]
     pub fn symbol_diff_mut(&mut self, symbol_ref: SymbolRef) -> &mut ObjSymbolDiff {
-        if symbol_ref.section_idx == self.sections.len() {
+        if symbol_ref.section_idx == SECTION_COMMON {
             &mut self.common[symbol_ref.symbol_idx]
         } else {
             &mut self.section_diff_mut(symbol_ref.section_idx).symbols[symbol_ref.symbol_idx]
@@ -576,7 +577,7 @@ fn generate_mapping_symbols(
     let Some(base_symbol_ref) = symbol_ref_by_name(base_obj, base_name) else {
         return Ok(());
     };
-    let (base_section, base_symbol) = base_obj.section_symbol(base_symbol_ref);
+    let (base_section, _base_symbol) = base_obj.section_symbol(base_symbol_ref);
     let Some(base_section) = base_section else {
         return Ok(());
     };
@@ -587,9 +588,7 @@ fn generate_mapping_symbols(
     for (target_section_index, target_section) in
         target_obj.sections.iter().enumerate().filter(|(_, s)| s.kind == base_section.kind)
     {
-        for (target_symbol_index, _target_symbol) in
+        for (target_symbol_index, _target_symbol) in target_section.symbols.iter().enumerate() {
-            target_section.symbols.iter().enumerate().filter(|(_, s)| s.kind == base_symbol.kind)
-        {
             let target_symbol_ref =
                 SymbolRef { section_idx: target_section_index, symbol_idx: target_symbol_index };
             match base_section.kind {
@@ -757,7 +756,7 @@ fn matching_symbols(
             }
         }
         for (symbol_idx, symbol) in left.common.iter().enumerate() {
-            let symbol_ref = SymbolRef { section_idx: left.sections.len(), symbol_idx };
+            let symbol_ref = SymbolRef { section_idx: SECTION_COMMON, symbol_idx };
             if left_used.contains(&symbol_ref) {
                 continue;
             }
@@ -789,7 +788,7 @@ fn matching_symbols(
             }
         }
         for (symbol_idx, symbol) in right.common.iter().enumerate() {
-            let symbol_ref = SymbolRef { section_idx: right.sections.len(), symbol_idx };
+            let symbol_ref = SymbolRef { section_idx: SECTION_COMMON, symbol_idx };
             if right_used.contains(&symbol_ref) {
                 continue;
             }
@@ -882,7 +881,7 @@ fn find_common_symbol(obj: Option<&ObjInfo>, in_symbol: &ObjSymbol) -> Option<Sy
     let obj = obj?;
     for (symbol_idx, symbol) in obj.common.iter().enumerate() {
         if symbol.name == in_symbol.name {
-            return Some(SymbolRef { section_idx: obj.sections.len(), symbol_idx });
+            return Some(SymbolRef { section_idx: SECTION_COMMON, symbol_idx });
         }
     }
     None

objdiff-core/src/lib.rs

@@ -8,4 +8,5 @@ pub mod config;
 pub mod diff;
 #[cfg(feature = "any-arch")]
 pub mod obj;
+#[cfg(feature = "any-arch")]
 pub mod util;

objdiff-core/src/obj/mod.rs

@@ -85,6 +85,9 @@ pub enum ObjInsArg {
 }
 
 impl ObjInsArg {
+    #[inline]
+    pub fn is_plain_text(&self) -> bool { matches!(self, ObjInsArg::PlainText(_)) }
+
     pub fn loose_eq(&self, other: &ObjInsArg) -> bool {
         match (self, other) {
             (ObjInsArg::Arg(a), ObjInsArg::Arg(b)) => a.loose_eq(b),
@@ -100,7 +103,7 @@ pub struct ObjIns {
     pub address: u64,
     pub size: u8,
     pub op: u16,
-    pub mnemonic: String,
+    pub mnemonic: Cow<'static, str>,
     pub args: Vec<ObjInsArg>,
     pub reloc: Option<ObjReloc>,
     pub branch_dest: Option<u64>,
@@ -112,6 +115,14 @@ pub struct ObjIns {
     pub orig: Option<String>,
 }
 
+impl ObjIns {
+    /// Iterate over non-PlainText arguments.
+    #[inline]
+    pub fn iter_args(&self) -> impl DoubleEndedIterator<Item = &ObjInsArg> {
+        self.args.iter().filter(|a| !a.is_plain_text())
+    }
+}
+
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Hash, Default)]
 pub enum ObjSymbolKind {
     #[default]
@@ -164,9 +175,11 @@ pub struct SymbolRef {
     pub symbol_idx: usize,
 }
 
+pub const SECTION_COMMON: usize = usize::MAX - 1;
+
 impl ObjInfo {
     pub fn section_symbol(&self, symbol_ref: SymbolRef) -> (Option<&ObjSection>, &ObjSymbol) {
-        if symbol_ref.section_idx == self.sections.len() {
+        if symbol_ref.section_idx == SECTION_COMMON {
             let symbol = &self.common[symbol_ref.symbol_idx];
             return (None, symbol);
         }

objdiff-core/src/obj/read.rs

@@ -64,10 +64,8 @@ fn to_obj_symbol(
     if obj_file.format() == BinaryFormat::Elf && symbol.scope() == SymbolScope::Linkage {
         flags = ObjSymbolFlagSet(flags.0 | ObjSymbolFlags::Hidden);
     }
-    if arch
+    #[cfg(feature = "ppc")]
-        .ppc()
+    if arch.ppc().and_then(|a| a.extab.as_ref()).is_some_and(|e| e.contains_key(&symbol.index().0))
-        .and_then(|a| a.extab.as_ref())
-        .map_or(false, |e| e.contains_key(&symbol.index().0))
     {
         flags = ObjSymbolFlagSet(flags.0 | ObjSymbolFlags::HasExtra);
     }
@@ -334,6 +332,10 @@ fn relocations_by_section(
                 };
                 symbol
             }
+            RelocationTarget::Absolute => {
+                log::warn!("Ignoring absolute relocation @ {}:{:#x}", section.name, address);
+                continue;
+            }
             _ => bail!("Unhandled relocation target: {:?}", reloc.target()),
         };
         let flags = reloc.flags(); // TODO validate reloc here?
@@ -431,9 +433,9 @@ fn line_info(obj_file: &File<'_>, sections: &mut [ObjSection], obj_data: &[u8])
                 let mut text_sections =
                     obj_file.sections().filter(|s| s.kind() == SectionKind::Text);
                 let section_index = text_sections.next().map(|s| s.index().0);
-                let mut lines = section_index.map(|index| {
+                let mut lines = section_index
-                    &mut sections.iter_mut().find(|s| s.orig_index == index).unwrap().line_info
+                    .and_then(|index| sections.iter_mut().find(|s| s.orig_index == index))
-                });
+                    .map(|s| &mut s.line_info);
 
                 let mut rows = program.rows();
                 while let Some((_header, row)) = rows.next_row()? {
@@ -444,13 +446,9 @@ fn line_info(obj_file: &File<'_>, sections: &mut [ObjSection], obj_data: &[u8])
                         // The next row is the start of a new sequence, which means we must
                         // advance to the next .text section.
                         let section_index = text_sections.next().map(|s| s.index().0);
-                        lines = section_index.map(|index| {
+                        lines = section_index
-                            &mut sections
+                            .and_then(|index| sections.iter_mut().find(|s| s.orig_index == index))
-                                .iter_mut()
+                            .map(|s| &mut s.line_info);
-                                .find(|s| s.orig_index == index)
-                                .unwrap()
-                                .line_info
-                        });
                     }
                 }
             }

objdiff-gui/Cargo.toml

@@ -25,7 +25,7 @@ wsl = []
 
 [dependencies]
 anyhow = "1.0"
-bytes = "1.7"
+bytes = "1.9"
 cfg-if = "1.0"
 const_format = "0.2"
 cwdemangle = "1.0"
@@ -42,7 +42,7 @@ notify = { git = "https://github.com/notify-rs/notify", rev = "128bf6230c03d39db
 objdiff-core = { path = "../objdiff-core", features = ["all"] }
 open = "5.3"
 png = "0.17"
-pollster = "0.3"
+pollster = "0.4"
 regex = "1.11"
 rfd = { version = "0.15" } #, default-features = false, features = ['xdg-portal']
 rlwinmdec = "1.0"
@@ -51,7 +51,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 shell-escape = "0.1"
 strum = { version = "0.26", features = ["derive"] }
-tempfile = "3.13"
+tempfile = "3.14"
 time = { version = "0.3", features = ["formatting", "local-offset"] }
 
 # Keep version in sync with egui
@@ -95,7 +95,7 @@ exec = "0.3"
 
 # native:
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-tracing-subscriber = "0.3"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 # web:
 [target.'cfg(target_arch = "wasm32")'.dependencies]

objdiff-gui/src/app.rs

@@ -25,6 +25,7 @@ use time::UtcOffset;
 use crate::{
     app_config::{deserialize_config, AppConfigVersion},
     config::{load_project_config, ProjectObjectNode},
+    hotkeys,
     jobs::{
         objdiff::{start_build, ObjDiffConfig},
         Job, JobQueue, JobResult, JobStatus,
@@ -527,6 +528,10 @@ impl App {
     }
 
     fn post_update(&mut self, ctx: &egui::Context, action: Option<DiffViewAction>) {
+        if action.is_some() {
+            ctx.request_repaint();
+        }
+
         self.appearance.post_update(ctx);
 
         let ViewState { jobs, diff_state, config_state, graphics_state, .. } = &mut self.view_state;
@@ -690,13 +695,13 @@ impl eframe::App for App {
                     *show_side_panel = !*show_side_panel;
                 }
                 ui.separator();
-                ui.menu_button("File", |ui| {
+                ui.menu_button(hotkeys::button_alt_text(ui, "_File"), |ui| {
                     #[cfg(debug_assertions)]
-                    if ui.button("Debug…").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Debug…")).clicked() {
                         *show_debug = !*show_debug;
                         ui.close_menu();
                     }
-                    if ui.button("Project…").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Project…")).clicked() {
                         *show_project_config = !*show_project_config;
                         ui.close_menu();
                     }
@@ -705,10 +710,11 @@ impl eframe::App for App {
                     } else {
                         vec![]
                     };
+                    let recent_projects_text = hotkeys::button_alt_text(ui, "_Recent Projects…");
                     if recent_projects.is_empty() {
-                        ui.add_enabled(false, egui::Button::new("Recent projects…"));
+                        ui.add_enabled(false, egui::Button::new(recent_projects_text));
                     } else {
-                        ui.menu_button("Recent Projects…", |ui| {
+                        ui.menu_button(recent_projects_text, |ui| {
                             if ui.button("Clear").clicked() {
                                 state.write().unwrap().config.recent_projects.clear();
                             };
@@ -721,36 +727,39 @@ impl eframe::App for App {
                             }
                         });
                     }
-                    if ui.button("Appearance…").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Appearance…")).clicked() {
                         *show_appearance_config = !*show_appearance_config;
                         ui.close_menu();
                     }
-                    if ui.button("Graphics…").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Graphics…")).clicked() {
                         *show_graphics = !*show_graphics;
                         ui.close_menu();
                     }
-                    if ui.button("Quit").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Quit")).clicked() {
                         ctx.send_viewport_cmd(egui::ViewportCommand::Close);
                     }
                 });
-                ui.menu_button("Tools", |ui| {
+                ui.menu_button(hotkeys::button_alt_text(ui, "_Tools"), |ui| {
-                    if ui.button("Demangle…").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Demangle…")).clicked() {
                         *show_demangle = !*show_demangle;
                         ui.close_menu();
                     }
-                    if ui.button("Rlwinm Decoder…").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Rlwinm Decoder…")).clicked() {
                         *show_rlwinm_decode = !*show_rlwinm_decode;
                         ui.close_menu();
                     }
                 });
-                ui.menu_button("Diff Options", |ui| {
+                ui.menu_button(hotkeys::button_alt_text(ui, "_Diff Options"), |ui| {
-                    if ui.button("Arch Settings…").clicked() {
+                    if ui.button(hotkeys::button_alt_text(ui, "_Arch Settings…")).clicked() {
                         *show_arch_config = !*show_arch_config;
                         ui.close_menu();
                     }
                     let mut state = state.write().unwrap();
                     let response = ui
-                        .checkbox(&mut state.config.rebuild_on_changes, "Rebuild on changes")
+                        .checkbox(
+                            &mut state.config.rebuild_on_changes,
+                            hotkeys::button_alt_text(ui, "_Rebuild on changes"),
+                        )
                         .on_hover_text("Automatically re-run the build & diff when files change.");
                     if response.changed() {
                         state.watcher_change = true;
@@ -759,18 +768,21 @@ impl eframe::App for App {
                         !diff_state.symbol_state.disable_reverse_fn_order,
                         egui::Checkbox::new(
                             &mut diff_state.symbol_state.reverse_fn_order,
-                            "Reverse function order (-inline deferred)",
+                            hotkeys::button_alt_text(
+                                ui,
+                                "Reverse function order (-inline _deferred)",
+                            ),
                         ),
                     )
                     .on_disabled_hover_text(CONFIG_DISABLED_TEXT);
                     ui.checkbox(
                         &mut diff_state.symbol_state.show_hidden_symbols,
-                        "Show hidden symbols",
+                        hotkeys::button_alt_text(ui, "Show _hidden symbols"),
                     );
                     if ui
                         .checkbox(
                             &mut state.config.diff_obj_config.relax_reloc_diffs,
-                            "Relax relocation diffs",
+                            hotkeys::button_alt_text(ui, "Rela_x relocation diffs"),
                         )
                         .on_hover_text(
                             "Ignores differences in relocation targets. (Address, name, etc)",
@@ -782,7 +794,7 @@ impl eframe::App for App {
                     if ui
                         .checkbox(
                             &mut state.config.diff_obj_config.space_between_args,
-                            "Space between args",
+                            hotkeys::button_alt_text(ui, "_Space between args"),
                         )
                         .changed()
                     {
@@ -791,14 +803,17 @@ impl eframe::App for App {
                     if ui
                         .checkbox(
                             &mut state.config.diff_obj_config.combine_data_sections,
-                            "Combine data sections",
+                            hotkeys::button_alt_text(ui, "Combine _data sections"),
                         )
                         .on_hover_text("Combines data sections with equal names.")
                         .changed()
                     {
                         state.queue_reload = true;
                     }
-                    if ui.button("Clear custom symbol mappings").clicked() {
+                    if ui
+                        .button(hotkeys::button_alt_text(ui, "_Clear custom symbol mappings"))
+                        .clicked()
+                    {
                         state.clear_mappings();
                         diff_state.post_build_nav = Some(DiffViewNavigation::symbol_diff());
                         state.queue_reload = true;

objdiff-gui/src/app_config.rs

@@ -71,6 +71,7 @@ impl ScratchConfigV1 {
             c_flags: self.c_flags,
             ctx_path: self.ctx_path,
             build_ctx: self.build_ctx.then_some(true),
+            preset_id: None,
         }
     }
 }

objdiff-gui/src/config.rs

@@ -12,6 +12,21 @@ pub enum ProjectObjectNode {
     Dir(String, Vec<ProjectObjectNode>),
 }
 
+fn join_single_dir_entries(nodes: &mut Vec<ProjectObjectNode>) {
+    for node in nodes {
+        if let ProjectObjectNode::Dir(my_name, my_nodes) = node {
+            join_single_dir_entries(my_nodes);
+            // If this directory consists of a single sub-directory...
+            if let [ProjectObjectNode::Dir(sub_name, sub_nodes)] = &mut my_nodes[..] {
+                // ... join the two names with a path separator and eliminate the layer
+                *my_name += "/";
+                *my_name += sub_name;
+                *my_nodes = std::mem::take(sub_nodes);
+            }
+        }
+    }
+}
+
 fn find_dir<'a>(
     name: &str,
     nodes: &'a mut Vec<ProjectObjectNode>,
@@ -60,6 +75,14 @@ fn build_nodes(
         let filename = path.file_name().unwrap().to_str().unwrap().to_string();
         out_nodes.push(ProjectObjectNode::Unit(filename, idx));
     }
+    // Within the top-level module directories, join paths. Leave the
+    // top-level name intact though since it's the module name.
+    for node in &mut nodes {
+        if let ProjectObjectNode::Dir(_, sub_nodes) = node {
+            join_single_dir_entries(sub_nodes);
+        }
+    }
+
     nodes
 }
 

objdiff-gui/src/hotkeys.rs

@@ -0,0 +1,228 @@
+use egui::{
+    style::ScrollAnimation, text::LayoutJob, vec2, Align, Context, FontSelection, Key,
+    KeyboardShortcut, Modifiers, PointerButton, RichText, Ui, WidgetText,
+};
+
+fn any_widget_focused(ctx: &Context) -> bool { ctx.memory(|mem| mem.focused().is_some()) }
+
+pub fn enter_pressed(ctx: &Context) -> bool {
+    if any_widget_focused(ctx) {
+        return false;
+    }
+    ctx.input_mut(|i| {
+        i.key_pressed(Key::Enter)
+            || i.key_pressed(Key::Space)
+            || i.pointer.button_pressed(PointerButton::Extra2)
+    })
+}
+
+pub fn back_pressed(ctx: &Context) -> bool {
+    if any_widget_focused(ctx) {
+        return false;
+    }
+    ctx.input_mut(|i| {
+        i.key_pressed(Key::Backspace)
+            || i.key_pressed(Key::Escape)
+            || i.pointer.button_pressed(PointerButton::Extra1)
+    })
+}
+
+pub fn up_pressed(ctx: &Context) -> bool {
+    if any_widget_focused(ctx) {
+        return false;
+    }
+    ctx.input_mut(|i| i.key_pressed(Key::ArrowUp) || i.key_pressed(Key::W))
+}
+
+pub fn down_pressed(ctx: &Context) -> bool {
+    if any_widget_focused(ctx) {
+        return false;
+    }
+    ctx.input_mut(|i| i.key_pressed(Key::ArrowDown) || i.key_pressed(Key::S))
+}
+
+pub fn page_up_pressed(ctx: &Context) -> bool { ctx.input_mut(|i| i.key_pressed(Key::PageUp)) }
+
+pub fn page_down_pressed(ctx: &Context) -> bool { ctx.input_mut(|i| i.key_pressed(Key::PageDown)) }
+
+pub fn home_pressed(ctx: &Context) -> bool { ctx.input_mut(|i| i.key_pressed(Key::Home)) }
+
+pub fn end_pressed(ctx: &Context) -> bool { ctx.input_mut(|i| i.key_pressed(Key::End)) }
+
+pub fn check_scroll_hotkeys(ui: &mut egui::Ui, include_small_increments: bool) {
+    let ui_height = ui.available_rect_before_wrap().height();
+    if up_pressed(ui.ctx()) && include_small_increments {
+        ui.scroll_with_delta_animation(vec2(0.0, ui_height / 10.0), ScrollAnimation::none());
+    } else if down_pressed(ui.ctx()) && include_small_increments {
+        ui.scroll_with_delta_animation(vec2(0.0, -ui_height / 10.0), ScrollAnimation::none());
+    } else if page_up_pressed(ui.ctx()) {
+        ui.scroll_with_delta_animation(vec2(0.0, ui_height), ScrollAnimation::none());
+    } else if page_down_pressed(ui.ctx()) {
+        ui.scroll_with_delta_animation(vec2(0.0, -ui_height), ScrollAnimation::none());
+    } else if home_pressed(ui.ctx()) {
+        ui.scroll_with_delta_animation(vec2(0.0, f32::INFINITY), ScrollAnimation::none());
+    } else if end_pressed(ui.ctx()) {
+        ui.scroll_with_delta_animation(vec2(0.0, -f32::INFINITY), ScrollAnimation::none());
+    }
+}
+
+pub fn consume_up_key(ctx: &Context) -> bool {
+    if any_widget_focused(ctx) {
+        return false;
+    }
+    ctx.input_mut(|i| {
+        i.consume_key(Modifiers::NONE, Key::ArrowUp) || i.consume_key(Modifiers::NONE, Key::W)
+    })
+}
+
+pub fn consume_down_key(ctx: &Context) -> bool {
+    if any_widget_focused(ctx) {
+        return false;
+    }
+    ctx.input_mut(|i| {
+        i.consume_key(Modifiers::NONE, Key::ArrowDown) || i.consume_key(Modifiers::NONE, Key::S)
+    })
+}
+
+const OBJECT_FILTER_SHORTCUT: KeyboardShortcut = KeyboardShortcut::new(Modifiers::CTRL, Key::F);
+
+pub fn consume_object_filter_shortcut(ctx: &Context) -> bool {
+    ctx.input_mut(|i| i.consume_shortcut(&OBJECT_FILTER_SHORTCUT))
+}
+
+const SYMBOL_FILTER_SHORTCUT: KeyboardShortcut = KeyboardShortcut::new(Modifiers::CTRL, Key::S);
+
+pub fn consume_symbol_filter_shortcut(ctx: &Context) -> bool {
+    ctx.input_mut(|i| i.consume_shortcut(&SYMBOL_FILTER_SHORTCUT))
+}
+
+const CHANGE_TARGET_SHORTCUT: KeyboardShortcut = KeyboardShortcut::new(Modifiers::CTRL, Key::T);
+
+pub fn consume_change_target_shortcut(ctx: &Context) -> bool {
+    ctx.input_mut(|i| i.consume_shortcut(&CHANGE_TARGET_SHORTCUT))
+}
+
+const CHANGE_BASE_SHORTCUT: KeyboardShortcut = KeyboardShortcut::new(Modifiers::CTRL, Key::B);
+
+pub fn consume_change_base_shortcut(ctx: &Context) -> bool {
+    ctx.input_mut(|i| i.consume_shortcut(&CHANGE_BASE_SHORTCUT))
+}
+
+fn shortcut_key(text: &str) -> (usize, char, Key) {
+    let i = text.chars().position(|c| c == '_').expect("No underscore in text");
+    let key = text.chars().nth(i + 1).expect("No character after underscore");
+    let shortcut_key = match key {
+        'a' | 'A' => Key::A,
+        'b' | 'B' => Key::B,
+        'c' | 'C' => Key::C,
+        'd' | 'D' => Key::D,
+        'e' | 'E' => Key::E,
+        'f' | 'F' => Key::F,
+        'g' | 'G' => Key::G,
+        'h' | 'H' => Key::H,
+        'i' | 'I' => Key::I,
+        'j' | 'J' => Key::J,
+        'k' | 'K' => Key::K,
+        'l' | 'L' => Key::L,
+        'm' | 'M' => Key::M,
+        'n' | 'N' => Key::N,
+        'o' | 'O' => Key::O,
+        'p' | 'P' => Key::P,
+        'q' | 'Q' => Key::Q,
+        'r' | 'R' => Key::R,
+        's' | 'S' => Key::S,
+        't' | 'T' => Key::T,
+        'u' | 'U' => Key::U,
+        'v' | 'V' => Key::V,
+        'w' | 'W' => Key::W,
+        'x' | 'X' => Key::X,
+        'y' | 'Y' => Key::Y,
+        'z' | 'Z' => Key::Z,
+        _ => panic!("Invalid key {}", key),
+    };
+    (i, key, shortcut_key)
+}
+
+fn alt_text_ui(ui: &Ui, text: &str, i: usize, key: char, interactive: bool) -> WidgetText {
+    let color = if interactive {
+        ui.visuals().widgets.inactive.text_color()
+    } else {
+        ui.visuals().widgets.noninteractive.text_color()
+    };
+    let mut job = LayoutJob::default();
+    if i > 0 {
+        let text = &text[..i];
+        RichText::new(text).color(color).append_to(
+            &mut job,
+            ui.style(),
+            FontSelection::Default,
+            Align::Center,
+        );
+    }
+    let mut rt = RichText::new(key).color(color);
+    if ui.input(|i| i.modifiers.alt) {
+        rt = rt.underline();
+    }
+    rt.append_to(&mut job, ui.style(), FontSelection::Default, Align::Center);
+    if i < text.len() - 1 {
+        let text = &text[i + 2..];
+        RichText::new(text).color(color).append_to(
+            &mut job,
+            ui.style(),
+            FontSelection::Default,
+            Align::Center,
+        );
+    }
+    job.into()
+}
+
+pub fn button_alt_text(ui: &Ui, text: &str) -> WidgetText {
+    let (n, c, key) = shortcut_key(text);
+    let result = alt_text_ui(ui, text, n, c, true);
+    if ui.input_mut(|i| check_alt_key(i, c, key)) {
+        let btn_id = ui.next_auto_id();
+        ui.memory_mut(|m| m.request_focus(btn_id));
+        ui.input_mut(|i| {
+            i.events.push(egui::Event::Key {
+                key: Key::Enter,
+                physical_key: None,
+                pressed: true,
+                repeat: false,
+                modifiers: Default::default(),
+            })
+        });
+    }
+    result
+}
+
+pub fn alt_text(ui: &Ui, text: &str, enter: bool) -> WidgetText {
+    let (n, c, key) = shortcut_key(text);
+    let result = alt_text_ui(ui, text, n, c, false);
+    if ui.input_mut(|i| check_alt_key(i, c, key)) {
+        let btn_id = ui.next_auto_id();
+        ui.memory_mut(|m| m.request_focus(btn_id));
+        if enter {
+            ui.input_mut(|i| {
+                i.events.push(egui::Event::Key {
+                    key: Key::Enter,
+                    physical_key: None,
+                    pressed: true,
+                    repeat: false,
+                    modifiers: Default::default(),
+                })
+            });
+        }
+    }
+    result
+}
+
+fn check_alt_key(i: &mut egui::InputState, c: char, key: Key) -> bool {
+    if i.consume_key(Modifiers::ALT, key) {
+        // Remove any text input events that match the key
+        let cs = c.to_string();
+        i.events.retain(|e| !matches!(e, egui::Event::Text(t) if *t == cs));
+        true
+    } else {
+        false
+    }
+}

objdiff-gui/src/jobs/create_scratch.rs

@@ -23,6 +23,7 @@ pub struct CreateScratchConfig {
     pub compiler_flags: String,
     pub function_name: String,
     pub target_obj: PathBuf,
+    pub preset_id: Option<u32>,
 }
 
 impl CreateScratchConfig {
@@ -45,6 +46,7 @@ impl CreateScratchConfig {
             compiler_flags: scratch_config.c_flags.clone().unwrap_or_default(),
             function_name,
             target_obj: target_path.to_path_buf(),
+            preset_id: scratch_config.preset_id,
         })
     }
 
@@ -101,15 +103,18 @@ fn run_create_scratch(
     let obj_path = project_dir.join(&config.target_obj);
     let file = reqwest::blocking::multipart::Part::file(&obj_path)
         .with_context(|| format!("Failed to open {}", obj_path.display()))?;
-    let form = reqwest::blocking::multipart::Form::new()
+    let mut form = reqwest::blocking::multipart::Form::new()
         .text("compiler", config.compiler.clone())
         .text("platform", config.platform.clone())
         .text("compiler_flags", config.compiler_flags.clone())
         .text("diff_label", config.function_name.clone())
         .text("diff_flags", diff_flags)
         .text("context", context.unwrap_or_default())
-        .text("source_code", "// Move related code from Context tab to here")
+        .text("source_code", "// Move related code from Context tab to here");
-        .part("target_obj", file);
+    if let Some(preset) = config.preset_id {
+        form = form.text("preset", preset.to_string());
+    }
+    form = form.part("target_obj", file);
     let client = reqwest::blocking::Client::new();
     let response = client
         .post(formatcp!("{API_HOST}/api/scratch"))

objdiff-gui/src/jobs/mod.rs

@@ -152,16 +152,14 @@ fn start_job(
     let context = JobContext { status: status.clone(), egui: ctx.clone() };
     let context_inner = JobContext { status: status.clone(), egui: ctx.clone() };
     let (tx, rx) = std::sync::mpsc::channel();
-    let handle = std::thread::spawn(move || {
+    let handle = std::thread::spawn(move || match run(context_inner, rx) {
-        return match run(context_inner, rx) {
+        Ok(state) => state,
-            Ok(state) => state,
+        Err(e) => {
-            Err(e) => {
+            if let Ok(mut w) = status.write() {
-                if let Ok(mut w) = status.write() {
+                w.error = Some(e);
-                    w.error = Some(e);
-                }
-                JobResult::None
             }
-        };
+            JobResult::None
+        }
     });
     let id = JOB_ID.fetch_add(1, Ordering::Relaxed);
     log::info!("Started job {}", id);

objdiff-gui/src/main.rs

@@ -4,6 +4,7 @@ mod app;
 mod app_config;
 mod config;
 mod fonts;
+mod hotkeys;
 mod jobs;
 mod update;
 mod views;

objdiff-gui/src/views/appearance.rs

@@ -205,7 +205,7 @@ pub const DEFAULT_COLOR_ROTATION: [Color32; 9] = [
     Color32::from_rgb(255, 0, 0),
     Color32::from_rgb(255, 255, 0),
     Color32::from_rgb(255, 192, 203),
-    Color32::from_rgb(0, 0, 255),
+    Color32::from_rgb(128, 128, 255),
     Color32::from_rgb(0, 255, 0),
     Color32::from_rgb(213, 138, 138),
 ];

objdiff-gui/src/views/config.rs

@@ -21,6 +21,7 @@ use strum::{EnumMessage, VariantArray};
 use crate::{
     app::{AppConfig, AppState, AppStateRef, ObjectConfig},
     config::ProjectObjectNode,
+    hotkeys,
     jobs::{
         check_update::{start_check_update, CheckUpdateResult},
         update::start_update,
@@ -218,7 +219,7 @@ pub fn config_ui(
 
     ui.horizontal(|ui| {
         ui.heading("Project");
-        if ui.button(RichText::new("Settings")).clicked() {
+        if ui.button("Settings").clicked() {
             *show_config_window = true;
         }
     });
@@ -254,7 +255,12 @@ pub fn config_ui(
         }
     } else {
         let had_search = !config_state.object_search.is_empty();
-        egui::TextEdit::singleline(&mut config_state.object_search).hint_text("Filter").ui(ui);
+        let response = egui::TextEdit::singleline(&mut config_state.object_search)
+            .hint_text(hotkeys::alt_text(ui, "Filter _objects", false))
+            .ui(ui);
+        if hotkeys::consume_object_filter_shortcut(ui.ctx()) {
+            response.request_focus();
+        }
 
         let mut root_open = None;
         let mut node_open = NodeOpen::Default;

objdiff-gui/src/views/data_diff.rs

@@ -7,11 +7,14 @@ use objdiff_core::{
 };
 use time::format_description;
 
-use crate::views::{
+use crate::{
-    appearance::Appearance,
+    hotkeys,
-    column_layout::{render_header, render_table},
+    views::{
-    symbol_diff::{DiffViewAction, DiffViewNavigation, DiffViewState},
+        appearance::Appearance,
-    write_text,
+        column_layout::{render_header, render_table},
+        symbol_diff::{DiffViewAction, DiffViewNavigation, DiffViewState},
+        write_text,
+    },
 };
 
 const BYTES_PER_ROW: usize = 16;
@@ -176,6 +179,8 @@ fn data_table_ui(
     let left_diffs = left_section.map(|(_, section)| split_diffs(&section.data_diff));
     let right_diffs = right_section.map(|(_, section)| split_diffs(&section.data_diff));
 
+    hotkeys::check_scroll_hotkeys(ui, true);
+
     render_table(ui, available_width, 2, config.code_font.size, total_rows, |row, column| {
         let i = row.index();
         let address = i * BYTES_PER_ROW;
@@ -213,8 +218,8 @@ pub fn data_diff_ui(
     let right_ctx = SectionDiffContext::new(result.second_obj.as_ref(), section_name);
 
     // If both sides are missing a symbol, switch to symbol diff view
-    if !right_ctx.map_or(false, |ctx| ctx.has_section())
+    if !right_ctx.is_some_and(|ctx| ctx.has_section())
-        && !left_ctx.map_or(false, |ctx| ctx.has_section())
+        && !left_ctx.is_some_and(|ctx| ctx.has_section())
     {
         return Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
     }
@@ -224,7 +229,7 @@ pub fn data_diff_ui(
     render_header(ui, available_width, 2, |ui, column| {
         if column == 0 {
             // Left column
-            if ui.button("⏴ Back").clicked() {
+            if ui.button("⏴ Back").clicked() || hotkeys::back_pressed(ui.ctx()) {
                 ret = Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
             }
 

objdiff-gui/src/views/extab_diff.rs

@@ -5,13 +5,16 @@ use objdiff_core::{
 };
 use time::format_description;
 
-use crate::views::{
+use crate::{
-    appearance::Appearance,
+    hotkeys,
-    column_layout::{render_header, render_strips},
+    views::{
-    function_diff::FunctionDiffContext,
+        appearance::Appearance,
-    symbol_diff::{
+        column_layout::{render_header, render_strips},
-        match_color_for_symbol, DiffViewAction, DiffViewNavigation, DiffViewState, SymbolRefByName,
+        function_diff::FunctionDiffContext,
-        View,
+        symbol_diff::{
+            match_color_for_symbol, DiffViewAction, DiffViewNavigation, DiffViewState,
+            SymbolRefByName, View,
+        },
     },
 };
 
@@ -101,7 +104,7 @@ pub fn extab_diff_ui(
     let right_diff_symbol = right_ctx.and_then(|ctx| {
         ctx.symbol_ref.and_then(|symbol_ref| ctx.diff.symbol_diff(symbol_ref).target_symbol)
     });
-    if left_diff_symbol.is_some() && right_ctx.map_or(false, |ctx| !ctx.has_symbol()) {
+    if left_diff_symbol.is_some() && right_ctx.is_some_and(|ctx| !ctx.has_symbol()) {
         let (right_section, right_symbol) =
             right_ctx.unwrap().obj.section_symbol(left_diff_symbol.unwrap());
         let symbol_ref = SymbolRefByName::new(right_symbol, right_section);
@@ -111,7 +114,7 @@ pub fn extab_diff_ui(
             left_symbol: state.symbol_state.left_symbol.clone(),
             right_symbol: Some(symbol_ref),
         }));
-    } else if right_diff_symbol.is_some() && left_ctx.map_or(false, |ctx| !ctx.has_symbol()) {
+    } else if right_diff_symbol.is_some() && left_ctx.is_some_and(|ctx| !ctx.has_symbol()) {
         let (left_section, left_symbol) =
             left_ctx.unwrap().obj.section_symbol(right_diff_symbol.unwrap());
         let symbol_ref = SymbolRefByName::new(left_symbol, left_section);
@@ -124,8 +127,8 @@ pub fn extab_diff_ui(
     }
 
     // If both sides are missing a symbol, switch to symbol diff view
-    if right_ctx.map_or(false, |ctx| !ctx.has_symbol())
+    if right_ctx.is_some_and(|ctx| !ctx.has_symbol())
-        && left_ctx.map_or(false, |ctx| !ctx.has_symbol())
+        && left_ctx.is_some_and(|ctx| !ctx.has_symbol())
     {
         return Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
     }
@@ -136,7 +139,7 @@ pub fn extab_diff_ui(
         if column == 0 {
             // Left column
             ui.horizontal(|ui| {
-                if ui.button("⏴ Back").clicked() {
+                if ui.button("⏴ Back").clicked() || hotkeys::back_pressed(ui.ctx()) {
                     ret = Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
                 }
                 ui.separator();
@@ -144,7 +147,7 @@ pub fn extab_diff_ui(
                     .add_enabled(
                         !state.scratch_running
                             && state.scratch_available
-                            && left_ctx.map_or(false, |ctx| ctx.has_symbol()),
+                            && left_ctx.is_some_and(|ctx| ctx.has_symbol()),
                         egui::Button::new("📲 decomp.me"),
                     )
                     .on_hover_text_at_pointer("Create a new scratch on decomp.me (beta)")
@@ -232,6 +235,8 @@ pub fn extab_diff_ui(
         }
     });
 
+    hotkeys::check_scroll_hotkeys(ui, true);
+
     // Table
     render_strips(ui, available_width, 2, |ui, column| {
         if column == 0 {

objdiff-gui/src/views/function_diff.rs

@@ -14,12 +14,15 @@ use objdiff_core::{
 };
 use time::format_description;
 
-use crate::views::{
+use crate::{
-    appearance::Appearance,
+    hotkeys,
-    column_layout::{render_header, render_strips, render_table},
+    views::{
-    symbol_diff::{
+        appearance::Appearance,
-        match_color_for_symbol, symbol_list_ui, DiffViewAction, DiffViewNavigation, DiffViewState,
+        column_layout::{render_header, render_strips, render_table},
-        SymbolDiffContext, SymbolFilter, SymbolRefByName, SymbolViewState, View,
+        symbol_diff::{
+            match_color_for_symbol, symbol_list_ui, DiffViewAction, DiffViewNavigation,
+            DiffViewState, SymbolDiffContext, SymbolFilter, SymbolRefByName, SymbolViewState, View,
+        },
     },
 };
 
@@ -292,10 +295,14 @@ fn diff_text_ui(
                 base_color = appearance.diff_colors[diff.idx % appearance.diff_colors.len()]
             }
         }
-        DiffText::Symbol(sym) => {
+        DiffText::Symbol(sym, diff) => {
             let name = sym.demangled_name.as_ref().unwrap_or(&sym.name);
             label_text = name.clone();
-            base_color = appearance.emphasized_text_color;
+            if let Some(diff) = diff {
+                base_color = appearance.diff_colors[diff.idx % appearance.diff_colors.len()]
+            } else {
+                base_color = appearance.emphasized_text_color;
+            }
         }
         DiffText::Spacing(n) => {
             ui.add_space(n as f32 * space_width);
@@ -428,6 +435,7 @@ fn asm_table_ui(
     };
     if left_len.is_some() && right_len.is_some() {
         // Joint view
+        hotkeys::check_scroll_hotkeys(ui, true);
         render_table(
             ui,
             available_width,
@@ -463,6 +471,7 @@ fn asm_table_ui(
             if column == 0 {
                 if let Some(ctx) = left_ctx {
                     if ctx.has_symbol() {
+                        hotkeys::check_scroll_hotkeys(ui, false);
                         render_table(
                             ui,
                             available_width / 2.0,
@@ -508,9 +517,6 @@ fn asm_table_ui(
                                         SymbolRefByName::new(right_symbol, right_section),
                                     ));
                                 }
-                                DiffViewAction::SetSymbolHighlight(_, _) => {
-                                    // Ignore
-                                }
                                 _ => {
                                     ret = Some(action);
                                 }
@@ -523,6 +529,7 @@ fn asm_table_ui(
             } else if column == 1 {
                 if let Some(ctx) = right_ctx {
                     if ctx.has_symbol() {
+                        hotkeys::check_scroll_hotkeys(ui, false);
                         render_table(
                             ui,
                             available_width / 2.0,
@@ -568,9 +575,6 @@ fn asm_table_ui(
                                         right_symbol_ref,
                                     ));
                                 }
-                                DiffViewAction::SetSymbolHighlight(_, _) => {
-                                    // Ignore
-                                }
                                 _ => {
                                     ret = Some(action);
                                 }
@@ -636,7 +640,7 @@ pub fn function_diff_ui(
     let right_diff_symbol = right_ctx.and_then(|ctx| {
         ctx.symbol_ref.and_then(|symbol_ref| ctx.diff.symbol_diff(symbol_ref).target_symbol)
     });
-    if left_diff_symbol.is_some() && right_ctx.map_or(false, |ctx| !ctx.has_symbol()) {
+    if left_diff_symbol.is_some() && right_ctx.is_some_and(|ctx| !ctx.has_symbol()) {
         let (right_section, right_symbol) =
             right_ctx.unwrap().obj.section_symbol(left_diff_symbol.unwrap());
         let symbol_ref = SymbolRefByName::new(right_symbol, right_section);
@@ -646,7 +650,7 @@ pub fn function_diff_ui(
             left_symbol: state.symbol_state.left_symbol.clone(),
             right_symbol: Some(symbol_ref),
         }));
-    } else if right_diff_symbol.is_some() && left_ctx.map_or(false, |ctx| !ctx.has_symbol()) {
+    } else if right_diff_symbol.is_some() && left_ctx.is_some_and(|ctx| !ctx.has_symbol()) {
         let (left_section, left_symbol) =
             left_ctx.unwrap().obj.section_symbol(right_diff_symbol.unwrap());
         let symbol_ref = SymbolRefByName::new(left_symbol, left_section);
@@ -659,8 +663,8 @@ pub fn function_diff_ui(
     }
 
     // If both sides are missing a symbol, switch to symbol diff view
-    if right_ctx.map_or(false, |ctx| !ctx.has_symbol())
+    if right_ctx.is_some_and(|ctx| !ctx.has_symbol())
-        && left_ctx.map_or(false, |ctx| !ctx.has_symbol())
+        && left_ctx.is_some_and(|ctx| !ctx.has_symbol())
     {
         return Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
     }
@@ -671,7 +675,7 @@ pub fn function_diff_ui(
         if column == 0 {
             // Left column
             ui.horizontal(|ui| {
-                if ui.button("⏴ Back").clicked() {
+                if ui.button("⏴ Back").clicked() || hotkeys::back_pressed(ui.ctx()) {
                     ret = Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
                 }
                 ui.separator();
@@ -679,7 +683,7 @@ pub fn function_diff_ui(
                     .add_enabled(
                         !state.scratch_running
                             && state.scratch_available
-                            && left_ctx.map_or(false, |ctx| ctx.has_symbol()),
+                            && left_ctx.is_some_and(|ctx| ctx.has_symbol()),
                         egui::Button::new("📲 decomp.me"),
                     )
                     .on_hover_text_at_pointer("Create a new scratch on decomp.me (beta)")
@@ -703,11 +707,12 @@ pub fn function_diff_ui(
                         .font(appearance.code_font.clone())
                         .color(appearance.highlight_color),
                 );
-                if right_ctx.map_or(false, |m| m.has_symbol())
+                if right_ctx.is_some_and(|m| m.has_symbol())
-                    && ui
+                    && (ui
                         .button("Change target")
                         .on_hover_text_at_pointer("Choose a different symbol to use as the target")
                         .clicked()
+                        || hotkeys::consume_change_target_shortcut(ui.ctx()))
                 {
                     if let Some(symbol_ref) = state.symbol_state.right_symbol.as_ref() {
                         ret = Some(DiffViewAction::SelectingLeft(symbol_ref.clone()));
@@ -773,7 +778,7 @@ pub fn function_diff_ui(
                                 .color(match_color_for_symbol(match_percent, appearance)),
                         );
                     }
-                    if left_ctx.map_or(false, |m| m.has_symbol()) {
+                    if left_ctx.is_some_and(|m| m.has_symbol()) {
                         ui.separator();
                         if ui
                             .button("Change base")
@@ -781,6 +786,7 @@ pub fn function_diff_ui(
                                 "Choose a different symbol to use as the base",
                             )
                             .clicked()
+                            || hotkeys::consume_change_base_shortcut(ui.ctx())
                         {
                             if let Some(symbol_ref) = state.symbol_state.left_symbol.as_ref() {
                                 ret = Some(DiffViewAction::SelectingRight(symbol_ref.clone()));

objdiff-gui/src/views/jobs.rs

@@ -3,6 +3,7 @@ use std::cmp::Ordering;
 use egui::{ProgressBar, RichText, Widget};
 
 use crate::{
+    hotkeys,
     jobs::{JobQueue, JobStatus},
     views::appearance::Appearance,
 };
@@ -94,7 +95,14 @@ impl From<&JobStatus> for JobStatusDisplay {
 }
 
 pub fn jobs_menu_ui(ui: &mut egui::Ui, jobs: &mut JobQueue, appearance: &Appearance) -> bool {
-    ui.label("Jobs:");
+    let mut clicked = false;
+    if egui::Label::new(hotkeys::alt_text(ui, "_Jobs:", true))
+        .sense(egui::Sense::click())
+        .ui(ui)
+        .clicked()
+    {
+        clicked = true;
+    }
     let mut statuses = Vec::new();
     for job in jobs.iter_mut() {
         let Ok(status) = job.context.status.read() else {
@@ -105,7 +113,6 @@ pub fn jobs_menu_ui(ui: &mut egui::Ui, jobs: &mut JobQueue, appearance: &Appeara
     let running_jobs = statuses.iter().filter(|s| !s.error).count();
     let error_jobs = statuses.iter().filter(|s| s.error).count();
 
-    let mut clicked = false;
     let spinner =
         egui::Spinner::new().size(appearance.ui_font.size * 0.9).color(appearance.text_color);
     match running_jobs.cmp(&1) {

objdiff-gui/src/views/symbol_diff.rs

@@ -1,18 +1,21 @@
-use std::{collections::BTreeMap, mem::take};
+use std::{collections::BTreeMap, mem::take, ops::Bound};
 
 use egui::{
-    text::LayoutJob, CollapsingHeader, Color32, Id, OpenUrl, ScrollArea, SelectableLabel, TextEdit,
+    style::ScrollAnimation, text::LayoutJob, CollapsingHeader, Color32, Id, OpenUrl, ScrollArea,
-    Ui, Widget,
+    SelectableLabel, TextEdit, Ui, Widget,
 };
 use objdiff_core::{
     arch::ObjArch,
     diff::{display::HighlightKind, ObjDiff, ObjSymbolDiff},
-    obj::{ObjInfo, ObjSection, ObjSectionKind, ObjSymbol, ObjSymbolFlags, SymbolRef},
+    obj::{
+        ObjInfo, ObjSection, ObjSectionKind, ObjSymbol, ObjSymbolFlags, SymbolRef, SECTION_COMMON,
+    },
 };
 use regex::{Regex, RegexBuilder};
 
 use crate::{
     app::AppStateRef,
+    hotkeys,
     jobs::{
         create_scratch::{start_create_scratch, CreateScratchConfig, CreateScratchResult},
         objdiff::{BuildStatus, ObjDiffResult},
@@ -54,8 +57,8 @@ pub enum DiffViewAction {
     Build,
     /// Navigate to a new diff view
     Navigate(DiffViewNavigation),
-    /// Set the highlighted symbols in the symbols view
+    /// Set the highlighted symbols in the symbols view, optionally scrolling them into view.
-    SetSymbolHighlight(Option<SymbolRef>, Option<SymbolRef>),
+    SetSymbolHighlight(Option<SymbolRef>, Option<SymbolRef>, bool),
     /// Set the symbols view search filter
     SetSearch(String),
     /// Submit the current function to decomp.me
@@ -133,6 +136,7 @@ pub struct DiffViewState {
 #[derive(Default)]
 pub struct SymbolViewState {
     pub highlighted_symbol: (Option<SymbolRef>, Option<SymbolRef>),
+    pub autoscroll_to_highlighted_symbols: bool,
     pub left_symbol: Option<SymbolRefByName>,
     pub right_symbol: Option<SymbolRefByName>,
     pub reverse_fn_order: bool,
@@ -195,6 +199,9 @@ impl DiffViewState {
             ctx.output_mut(|o| o.open_url = Some(OpenUrl::new_tab(result.scratch_url)));
         }
 
+        // Clear the autoscroll flag so that it doesn't scroll continuously.
+        self.symbol_state.autoscroll_to_highlighted_symbols = false;
+
         let Some(action) = action else {
             return;
         };
@@ -209,7 +216,6 @@ impl DiffViewState {
                     // Ignore action if we're already navigating
                     return;
                 }
-                self.symbol_state.highlighted_symbol = (None, None);
                 let Ok(mut state) = state.write() else {
                     return;
                 };
@@ -245,8 +251,9 @@ impl DiffViewState {
                     self.post_build_nav = Some(nav);
                 }
             }
-            DiffViewAction::SetSymbolHighlight(left, right) => {
+            DiffViewAction::SetSymbolHighlight(left, right, autoscroll) => {
                 self.symbol_state.highlighted_symbol = (left, right);
+                self.symbol_state.autoscroll_to_highlighted_symbols = autoscroll;
             }
             DiffViewAction::SetSearch(search) => {
                 self.search_regex = if search.is_empty() {
@@ -532,7 +539,15 @@ fn symbol_ui(
             ret = Some(DiffViewAction::Navigate(result));
         }
     });
-    if response.clicked() {
+    if selected && state.autoscroll_to_highlighted_symbols {
+        // Automatically scroll the view to encompass the selected symbol in case the user selected
+        // an offscreen symbol by using a keyboard shortcut.
+        ui.scroll_to_rect_animation(response.rect, None, ScrollAnimation::none());
+        // This autoscroll state flag will be reset in DiffViewState::post_update at the end of
+        // every frame so that we don't continuously scroll the view back when the user is trying to
+        // manually scroll away.
+    }
+    if response.clicked() || (selected && hotkeys::enter_pressed(ui.ctx())) {
         if let Some(section) = section {
             match section.kind {
                 ObjSectionKind::Code => {
@@ -559,20 +574,18 @@ fn symbol_ui(
             }
         }
     } else if response.hovered() {
-        ret = Some(if let Some(target_symbol) = symbol_diff.target_symbol {
+        ret = Some(if column == 0 {
-            if column == 0 {
+            DiffViewAction::SetSymbolHighlight(
-                DiffViewAction::SetSymbolHighlight(
+                Some(symbol_diff.symbol_ref),
-                    Some(symbol_diff.symbol_ref),
+                symbol_diff.target_symbol,
-                    Some(target_symbol),
+                false,
-                )
+            )
-            } else {
-                DiffViewAction::SetSymbolHighlight(
-                    Some(target_symbol),
-                    Some(symbol_diff.symbol_ref),
-                )
-            }
         } else {
-            DiffViewAction::SetSymbolHighlight(None, None)
+            DiffViewAction::SetSymbolHighlight(
+                symbol_diff.target_symbol,
+                Some(symbol_diff.symbol_ref),
+                false,
+            )
         });
     }
     ret
@@ -646,16 +659,68 @@ pub fn symbol_list_ui(
             }
         }
 
+        hotkeys::check_scroll_hotkeys(ui, false);
+
+        let mut new_key_value_to_highlight = None;
+        if let Some(sym_ref) =
+            if column == 0 { state.highlighted_symbol.0 } else { state.highlighted_symbol.1 }
+        {
+            let up = if hotkeys::consume_up_key(ui.ctx()) {
+                Some(true)
+            } else if hotkeys::consume_down_key(ui.ctx()) {
+                Some(false)
+            } else {
+                None
+            };
+            if let Some(mut up) = up {
+                if state.reverse_fn_order {
+                    up = !up;
+                }
+                new_key_value_to_highlight = if up {
+                    mapping.range(..sym_ref).next_back()
+                } else {
+                    mapping.range((Bound::Excluded(sym_ref), Bound::Unbounded)).next()
+                };
+            };
+        } else {
+            // No symbol is highlighted in this column. Select the topmost symbol instead.
+            // Note that we intentionally do not consume the up/down key presses in this case, but
+            // we do when a symbol is highlighted. This is so that if only one column has a symbol
+            // highlighted, that one takes precedence over the one with nothing highlighted.
+            if hotkeys::up_pressed(ui.ctx()) || hotkeys::down_pressed(ui.ctx()) {
+                new_key_value_to_highlight = if state.reverse_fn_order {
+                    mapping.last_key_value()
+                } else {
+                    mapping.first_key_value()
+                };
+            }
+        }
+        if let Some((new_sym_ref, new_symbol_diff)) = new_key_value_to_highlight {
+            ret = Some(if column == 0 {
+                DiffViewAction::SetSymbolHighlight(
+                    Some(*new_sym_ref),
+                    new_symbol_diff.target_symbol,
+                    true,
+                )
+            } else {
+                DiffViewAction::SetSymbolHighlight(
+                    new_symbol_diff.target_symbol,
+                    Some(*new_sym_ref),
+                    true,
+                )
+            });
+        }
+
         ui.scope(|ui| {
             ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
             ui.style_mut().wrap_mode = Some(egui::TextWrapMode::Extend);
 
             // Skip sections with all symbols filtered out
-            if mapping.keys().any(|symbol_ref| symbol_ref.section_idx == usize::MAX) {
+            if mapping.keys().any(|symbol_ref| symbol_ref.section_idx == SECTION_COMMON) {
                 CollapsingHeader::new(".comm").default_open(true).show(ui, |ui| {
                     for (symbol_ref, symbol_diff) in mapping
                         .iter()
-                        .filter(|(symbol_ref, _)| symbol_ref.section_idx == usize::MAX)
+                        .filter(|(symbol_ref, _)| symbol_ref.section_idx == SECTION_COMMON)
                     {
                         let symbol = ctx.obj.section_symbol(*symbol_ref).1;
                         if let Some(result) = symbol_ui(
@@ -836,7 +901,13 @@ pub fn symbol_diff_ui(
             });
 
             let mut search = state.search.clone();
-            if TextEdit::singleline(&mut search).hint_text("Filter symbols").ui(ui).changed() {
+            let response = TextEdit::singleline(&mut search)
+                .hint_text(hotkeys::alt_text(ui, "Filter _symbols", false))
+                .ui(ui);
+            if hotkeys::consume_symbol_filter_shortcut(ui.ctx()) {
+                response.request_focus();
+            }
+            if response.changed() {
                 ret = Some(DiffViewAction::SetSearch(search));
             }
         } else if column == 1 {