linux_aura: Port GtkKeybindingsHandler to Aura.

ui/events/x/text_edit_command_x11.h

+// Copyright 2014 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.
+
+#ifndef UI_EVENTS_X_TEXT_EDIT_COMMAND_X11_H_
+#define UI_EVENTS_X_TEXT_EDIT_COMMAND_X11_H_
+
+#include <string>
+
+#include "ui/events/events_export.h"
+
+namespace ui {
+
+// Represents a command that performs a specific transformation on text.

[sadrul, 2014/03/31 22:58:56]

s/transformation/operation/? (since not everything the following list is a
transformation)

+// Copy and assignment are explicitly allowed; these objects live in vectors.
+class EVENTS_EXPORT TextEditCommandX11 {
+ public:
+  enum CommandId {
+    COPY,
+    CUT,
+    DELETE_BACKWARD,
+    DELETE_FORWARD,
+    DELETE_TO_BEGINING_OF_LINE,
+    DELETE_TO_BEGINING_OF_PARAGRAPH,
+    DELETE_TO_END_OF_LINE,
+    DELETE_TO_END_OF_PARAGRAPH,
+    DELETE_WORD_BACKWARD,
+    DELETE_WORD_FORWARD,
+    INSERT_TEXT,
+    MOVE_BACKWARD,
+    MOVE_DOWN,
+    MOVE_FORWARD,
+    MOVE_LEFT,
+    MOVE_PAGE_DOWN,
+    MOVE_PAGE_UP,
+    MOVE_RIGHT,
+    MOVE_TO_BEGINING_OF_DOCUMENT,
+    MOVE_TO_BEGINING_OF_LINE,
+    MOVE_TO_BEGINING_OF_PARAGRAPH,
+    MOVE_TO_END_OF_DOCUMENT,
+    MOVE_TO_END_OF_LINE,
+    MOVE_TO_END_OF_PARAGRAPH,
+    MOVE_UP,
+    MOVE_WORD_BACKWARD,
+    MOVE_WORD_FORWARD,
+    MOVE_WORD_LEFT,
+    MOVE_WORD_RIGHT,
+    PASTE,
+    SELECT_ALL,
+    SET_MARK,
+    UNSELECT,
+    INVALID_COMMAND
+  };
+
+  TextEditCommandX11(CommandId command_id,
+                     const std::string& argument,
+                     bool extend_selection)
+      : command_id_(command_id),
+        argument_(argument),
+        extend_selection_(extend_selection) {}
+
+  CommandId command_id() const { return command_id_; }
+  const std::string& argument() const { return argument_; }
+  bool extend_selection() const { return extend_selection_; }
+
+  // We communicate these commands back to blink with a string representation.
+  // This will combine the base command name with "AndModifySelection" if we
+  // have |extend_selection_| set.
+  std::string GetCommandString() const;
+
+ private:
+  CommandId command_id_;
+
+  std::string argument_;
+
+  // In addition to executing the command, modify the selection.
+  bool extend_selection_;
+};
+
+}  // namespace ui
+
+#endif  // UI_EVENTS_X_TEXT_EDIT_COMMAND_X11_H_