diff options
Diffstat (limited to 'ui')
| -rw-r--r-- | ui/base/ime/text_input_client.cc | 12 | ||||
| -rw-r--r-- | ui/base/ime/text_input_client.h | 119 | ||||
| -rw-r--r-- | ui/ui.gyp | 2 |
3 files changed, 133 insertions, 0 deletions
diff --git a/ui/base/ime/text_input_client.cc b/ui/base/ime/text_input_client.cc new file mode 100644 index 0000000..2fb370e --- /dev/null +++ b/ui/base/ime/text_input_client.cc @@ -0,0 +1,12 @@ +// Copyright (c) 2011 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. + +#include "ui/base/ime/text_input_client.h" + +namespace ui { + +TextInputClient::~TextInputClient() { +} + +} // namespace ui diff --git a/ui/base/ime/text_input_client.h b/ui/base/ime/text_input_client.h new file mode 100644 index 0000000..01f5152 --- /dev/null +++ b/ui/base/ime/text_input_client.h @@ -0,0 +1,119 @@ +// Copyright (c) 2011 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_BASE_IME_TEXT_INPUT_CLIENT_H_ +#define UI_BASE_IME_TEXT_INPUT_CLIENT_H_ +#pragma once + +#include "base/basictypes.h" +#include "base/i18n/rtl.h" +#include "base/string16.h" +#include "ui/base/ime/composition_text.h" +#include "ui/base/ime/text_input_type.h" +#include "ui/base/range/range.h" +#include "ui/base/ui_export.h" + +namespace gfx { +class Rect; +} + +namespace ui { + +// An interface implemented by a View that needs text input support. +class UI_EXPORT TextInputClient { + public: + virtual ~TextInputClient(); + + // Input method result ------------------------------------------------------- + + // Sets composition text and attributes. If there is composition text already, + // it’ll be replaced by the new one. Otherwise, current selection will be + // replaced. If there is no selection, the composition text will be inserted + // at the insertion point. + virtual void SetCompositionText(const ui::CompositionText& composition) = 0; + + // Converts current composition text into final content. + virtual void ConfirmCompositionText() = 0; + + // Removes current composition text. + virtual void ClearCompositionText() = 0; + + // Inserts a given text at the insertion point. Current composition text or + // selection will be removed. This method should never be called when the + // current text input type is TEXT_INPUT_TYPE_NONE. + virtual void InsertText(const string16& text) = 0; + + // Inserts a single char at the insertion point. Unlike above InsertText() + // method, this method has an extra |flags| parameter indicating the modifier + // key states when the character is generated. This method should only be + // called when a key press is not handled by the input method but still + // generates a character (eg. by the keyboard driver). In another word, the + // preceding key press event should not be a VKEY_PROCESSKEY. + // This method will be called whenever a char is generated by the keyboard, + // even if the current text input type is TEXT_INPUT_TYPE_NONE. + virtual void InsertChar(char16 ch, int flags) = 0; + + // Input context information ------------------------------------------------- + + // Returns current text input type. It could be changed and even becomes + // TEXT_INPUT_TYPE_NONE at runtime. + virtual ui::TextInputType GetTextInputType() const = 0; + + // Returns current caret (insertion point) bounds relative to the View’s + // coordinates. If there is selection, then the selection bounds will be + // returned. + virtual gfx::Rect GetCaretBounds() = 0; + + // Returns true if there is composition text. + virtual bool HasCompositionText() = 0; + + // Document content operations ---------------------------------------------- + + // Retrieves the UTF-16 based character range containing accessibled text in + // the View. It must cover the composition and selection range. + // Returns false if the information cannot be retrieved right now. + virtual bool GetTextRange(ui::Range* range) = 0; + + // Retrieves the UTF-16 based character range of current composition text. + // Returns false if the information cannot be retrieved right now. + virtual bool GetCompositionTextRange(ui::Range* range) = 0; + + // Retrieves the UTF-16 based character range of current selection. + // Returns false if the information cannot be retrieved right now. + virtual bool GetSelectionRange(ui::Range* range) = 0; + + // Selects the given UTF-16 based character range. Current composition text + // will be confirmed before selecting the range. + // Returns false if the operation is not supported. + virtual bool SetSelectionRange(const ui::Range& range) = 0; + + // Deletes contents in the given UTF-16 based character range. Current + // composition text will be confirmed before deleting the range. + // The input caret will be moved to the place where the range gets deleted. + // Returns false if the oepration is not supported. + virtual bool DeleteRange(const ui::Range& range) = 0; + + // Retrieves the text content in a given UTF-16 based character range. + // The result will be stored into |*text|. + // Returns false if the operation is not supported or the specified range + // is out of the text range returned by GetTextRange(). + virtual bool GetTextFromRange(const ui::Range& range, string16* text) = 0; + + // Miscellaneous ------------------------------------------------------------ + + // Called whenever current keyboard layout or input method is changed, + // especially the change of input locale and text direction. + virtual void OnInputMethodChanged() = 0; + + // Called whenever the user requests to change the text direction and layout + // alignment of the current text box. It’s for supporting ctrl-shift on + // Windows. + // Returns false if the operation is not supported. + virtual bool ChangeTextDirectionAndLayoutAlignment( + base::i18n::TextDirection direction) = 0; +}; + +} // namespace ui + +#endif // UI_BASE_IME_TEXT_INPUT_CLIENT_H_ @@ -128,6 +128,8 @@ 'base/ime/composition_text.cc', 'base/ime/composition_text.h', 'base/ime/composition_underline.h', + 'base/ime/text_input_client.cc', + 'base/ime/text_input_client.h', 'base/ime/text_input_type.h', 'base/keycodes/keyboard_code_conversion_gtk.cc', 'base/keycodes/keyboard_code_conversion_gtk.h', |