apprt/embedded: proper consumed modifier state for ctrl keys

src/apprt/embedded.zig

@@ -182,14 +182,9 @@ pub const App = struct {
                 if (strip) translate_mods.alt = false;
             }
 
-            // On macOS we strip ctrl because UCKeyTranslate
-            // converts to the masked values (i.e. ctrl+c becomes 3)
-            // and we don't want that behavior.
-            //
-            // We also strip super because its not used for translation
-            // on macos and it results in a bad translation.
+            // We strip super on macOS because its not used for translation
+            // it results in a bad translation.
             if (comptime builtin.target.isDarwin()) {
-                translate_mods.ctrl = false;
                 translate_mods.super = false;
             }
 
@@ -229,6 +224,7 @@ pub const App = struct {
             const result: input.Keymap.Translation = if (event_text) |text| .{
                 .text = text,
                 .composing = event.composing,
+                .mods = translate_mods,
             } else try self.keymap.translate(
                 &buf,
                 switch (target) {
@@ -273,16 +269,12 @@ pub const App = struct {
                 // then we clear the text. We handle non-printables in the
                 // key encoder manual (such as tab, ctrl+c, etc.)
                 if (result.text.len == 1 and result.text[0] < 0x20) {
-                    break :translate .{ .composing = false, .text = "" };
+                    break :translate .{};
                 }
             }
 
             break :translate result;
-        } else .{ .composing = false, .text = "" };
-
-        // UCKeyTranslate always consumes all mods, so if we have any output
-        // then we've consumed our translate mods.
-        const consumed_mods: input.Mods = if (result.text.len > 0) translate_mods else .{};
+        } else .{};
 
         // We need to always do a translation with no modifiers at all in
         // order to get the "unshifted_codepoint" for the key event.
@@ -354,7 +346,7 @@ pub const App = struct {
             .key = key,
             .physical_key = physical_key,
             .mods = mods,
-            .consumed_mods = consumed_mods,
+            .consumed_mods = result.mods,
             .composing = result.composing,
             .utf8 = result.text,
             .unshifted_codepoint = unshifted_codepoint,

src/input/KeymapDarwin.zig

@@ -50,10 +50,13 @@ pub const State = struct {
 pub const Translation = struct {
     /// The translation result. If this is a dead key state, then this will
     /// be pre-edit text that can be displayed but will ultimately be replaced.
-    text: []const u8,
+    text: []const u8 = "",
 
     /// Whether the text is still composing, i.e. this is a dead key state.
-    composing: bool,
+    composing: bool = false,
+
+    /// The mods that were consumed to produce this translation
+    mods: Mods = .{},
 };
 
 pub fn init() !Keymap {
@@ -122,8 +125,18 @@ pub fn translate(
     out: []u8,
     state: *State,
     code: u16,
-    mods: Mods,
+    input_mods: Mods,
 ) !Translation {
+    // On macOS we strip ctrl because UCKeyTranslate
+    // converts to the masked values (i.e. ctrl+c becomes 3)
+    // and we don't want that behavior in Ghostty ever. This makes
+    // this file not a general-purpose keymap implementation.
+    const mods: Mods = mods: {
+        var v = input_mods;
+        v.ctrl = false;
+        break :mods v;
+    };
+
     // Get the keycode for the space key, using comptime.
     const code_space: u16 = comptime space: for (codes) |entry| {
         if (std.mem.eql(u8, entry.code, "Space"))
@@ -183,7 +196,11 @@ pub fn translate(
 
     // Convert the utf16 to utf8
     const len = try std.unicode.utf16leToUtf8(out, char[0..char_count]);
-    return .{ .text = out[0..len], .composing = composing };
+    return .{
+        .text = out[0..len],
+        .composing = composing,
+        .mods = mods,
+    };
 }
 
 /// Map to the modifiers format used by the UCKeyTranslate function.

src/input/KeymapNoop.zig

@@ -6,8 +6,9 @@ const Mods = @import("key.zig").Mods;
 
 pub const State = struct {};
 pub const Translation = struct {
-    text: []const u8,
-    composing: bool,
+    text: []const u8 = "",
+    composing: bool = false,
+    mods: Mods = .{},
 };
 
 pub fn init() !KeymapNoop {