2013-02-24 20:00:05 -08:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WinIMEHandler.h"
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#include "nsIMM32Handler.h"
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#ifdef NS_ENABLE_TSF
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#include "nsTextStore.h"
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#endif // #ifdef NS_ENABLE_TSF
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namespace mozilla {
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namespace widget {
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/******************************************************************************
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* IMEHandler
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******************************************************************************/
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#ifdef NS_ENABLE_TSF
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bool IMEHandler::sIsInTSFMode = false;
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#endif // #ifdef NS_ENABLE_TSF
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// static
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void
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IMEHandler::Initialize()
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{
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#ifdef NS_ENABLE_TSF
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nsTextStore::Initialize();
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sIsInTSFMode = nsTextStore::IsInTSFMode();
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#endif // #ifdef NS_ENABLE_TSF
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nsIMM32Handler::Initialize();
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}
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// static
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void
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IMEHandler::Terminate()
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{
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#ifdef NS_ENABLE_TSF
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if (sIsInTSFMode) {
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nsTextStore::Terminate();
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sIsInTSFMode = false;
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}
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#endif // #ifdef NS_ENABLE_TSF
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nsIMM32Handler::Terminate();
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}
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2013-02-24 20:00:05 -08:00
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// static
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bool
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IMEHandler::IsDoingKakuteiUndo(HWND aWnd)
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{
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// Following message pattern is caused by "Kakutei-Undo" of ATOK or WXG:
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// ---------------------------------------------------------------------------
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// WM_KEYDOWN * n (wParam = VK_BACK, lParam = 0x1)
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// WM_KEYUP * 1 (wParam = VK_BACK, lParam = 0xC0000001) # ATOK
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// WM_IME_STARTCOMPOSITION * 1 (wParam = 0x0, lParam = 0x0)
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// WM_IME_COMPOSITION * 1 (wParam = 0x0, lParam = 0x1BF)
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// WM_CHAR * n (wParam = VK_BACK, lParam = 0x1)
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// WM_KEYUP * 1 (wParam = VK_BACK, lParam = 0xC00E0001)
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// ---------------------------------------------------------------------------
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// This doesn't match usual key message pattern such as:
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// WM_KEYDOWN -> WM_CHAR -> WM_KEYDOWN -> WM_CHAR -> ... -> WM_KEYUP
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// See following bugs for the detail.
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// https://bugzilla.mozilla.gr.jp/show_bug.cgi?id=2885 (written in Japanese)
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// https://bugzilla.mozilla.org/show_bug.cgi?id=194559 (written in English)
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MSG startCompositionMsg, compositionMsg, charMsg;
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return ::PeekMessageW(&startCompositionMsg, aWnd,
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WM_IME_STARTCOMPOSITION, WM_IME_STARTCOMPOSITION,
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PM_NOREMOVE | PM_NOYIELD) &&
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::PeekMessageW(&compositionMsg, aWnd, WM_IME_COMPOSITION,
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WM_IME_COMPOSITION, PM_NOREMOVE | PM_NOYIELD) &&
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::PeekMessageW(&charMsg, aWnd, WM_CHAR, WM_CHAR,
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PM_NOREMOVE | PM_NOYIELD) &&
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startCompositionMsg.wParam == 0x0 &&
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startCompositionMsg.lParam == 0x0 &&
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compositionMsg.wParam == 0x0 &&
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compositionMsg.lParam == 0x1BF &&
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charMsg.wParam == VK_BACK && charMsg.lParam == 0x1 &&
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startCompositionMsg.time <= compositionMsg.time &&
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compositionMsg.time <= charMsg.time;
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}
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2013-02-24 20:00:05 -08:00
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} // namespace widget
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} // namespace mozilla
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