IME for Mus: Structs and StructTraits for IME Candidate Window.

services/ui/public/interfaces/ime/ime.mojom

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module ui.mojom;
 
 import "mojo/common/text_direction.mojom";
 import "ui/events/mojo/event.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 import "ui/gfx/range/mojo/range.mojom";
 
+// Specifies where to display the candidate window.
+enum CandidateWindowPosition {
+  // Candidate window follows the cursor.
+  kCursor,
+
+  // Candidate window is locked to the beginning of the composition.
+  kComposition
+};
+
+struct CandidateWindowProperties {
+  // Number of candidates to display per page.
+  int32 page_size;
+
+  // Should candidate window be rendered vertical or horizontal.
+  bool vertical;
+
+  // Text that is shown at the bottom of the candidate window.
+  string auxiliary_text;
+
+  // True to display auxiliary text, false to hide it.
+  bool auxiliary_text_visible;
+
+  // Position and visibility of cursor in the candidate window.
+  int32 cursor_position;
+  bool cursor_visible;
+
+  // Where to display the candidate window.
+  CandidateWindowPosition window_position;
+};
+
+// Represents a candidate window entry.
+struct CandidateWindowEntry {
+  // Value of the candidate.
+  string value;
+
+  // Short string displayed next to the candidate, often the shortcut key or
+  // index.
+  string label;
+
+  // Additional text describing the candidate.
+  string annotation;
+
+  // The usage or detailed description of the candidate.
+  string description_title;
+  string description_body;
+};
+
 // Represents an underlined segment of text currently composed by IME.
 // Corresponds to ui::CompositionUnderline.
 struct CompositionUnderline {
   uint32 start_offset;
   uint32 end_offset;
   bool thick;
   uint32 color;
   uint32 background_color;
 };
 
@@ skipping 123 matching lines @@
   // the character is not processed. See ui::TextInputClient::InsertChar()
   // for more details.
   InsertChar(ui.mojom.Event event);
 
   // TODO(moshayedi): Add functions corresponding to ui::TextInputClient for:
   // - Input context information
   // - Document content operations
   // - Miscellaneous functions
   // crbug.com/631527.
 };