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+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ */
+
+/*
+ * DESCRIPTION:
+ * This module produces Global IME for Vim, on Windows with Internet
+ * Explorer 5.01 or higher. You need three files "dimm.idl", "dimm.h", and
+ * "dimm_i.c" when compile this module at your self. "dimm.h", and
+ * "dimm_i.c" are generated from "dimm.idl" by using MIDL.EXE as like
+ * "if_ole.h". You can get "dimm.idl" in MSDN web site. I got it below
+ * URL.
+ *
+ * WHAT IS THE GLOBAL IME?:
+ * Global IME makes capability input Chinese, Japanese, and Korean text into
+ * Vim buffer on any language version of Windows 98, Windows 95, and Windows
+ * NT 4.0. See below URL for detail of Global IME. You can also find
+ * various laguage version of Global IME at same place.
+ *
+ * RUNTIME REQUIREMENTS:
+ * - Internet Exproler 5.01 or higher.
+ * - Global IME (with language pack?).
+ * - Of course Vim for Windows.
+ *
+ * URLS:
+ * - Where you can probably get "dimm.idl".
+ * http://msdn.microsoft.com/downloads/samples/internet/libraries/ie5_lib/sample.asp
+ * - Global IME detailed information.
+ * http://www.microsoft.com/windows/ie/features/ime.asp
+ */
+
+#ifdef GLOBAL_IME
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <objbase.h>
+extern "C" {
+#include "vim.h"
+}
+#include "dimm.h"
+#include "glbl_ime.h"
+
+static IActiveIMMApp *pIApp = NULL;
+static IActiveIMMMessagePumpOwner *pIMsg = NULL;
+static HWND s_hWnd = NULL;
+static BOOL s_bStatus = FALSE; /* for evacuate */
+
+/*
+ * Initialize Global IME.
+ * "atom" must be return value of RegisterClass(Ex).
+ */
+ void
+global_ime_init(ATOM atom, HWND hWnd)
+{
+ IUnknown *pI;
+ HRESULT hr;
+
+ if (pIApp != NULL || pIMsg != NULL)
+ return;
+ OleInitialize(NULL);
+
+ /*
+ * Get interface IUnknown
+ */
+ hr = CoCreateInstance(CLSID_CActiveIMM, NULL, CLSCTX_SERVER,
+ IID_IUnknown, (void**)&pI);
+ if (FAILED(hr) || !pI)
+ return;
+
+ /*
+ * Get interface IActiveIMMApp
+ */
+ hr = pI->QueryInterface(IID_IActiveIMMApp, (void**)&pIApp);
+ if (FAILED(hr))
+ pIApp = NULL;
+
+ /*
+ * Get interface IActiveIMMMessagePumpOwner
+ */
+ hr = pI->QueryInterface(IID_IActiveIMMMessagePumpOwner, (void**)&pIMsg);
+ if (FAILED(hr))
+ pIMsg = NULL;
+
+ if (pIApp != NULL)
+ {
+ pIApp->Activate(TRUE);
+ pIApp->FilterClientWindows(&atom, 1);
+ }
+ if (pIMsg != NULL)
+ pIMsg->Start();
+
+ pI->Release();
+ s_hWnd = hWnd;
+}
+
+/*
+ * Reset and clear Global IME.
+ */
+ void
+global_ime_end()
+{
+ if (pIApp != NULL)
+ {
+ IActiveIMMApp *p = pIApp;
+
+ pIApp = NULL;
+ p->FilterClientWindows(NULL, 0);
+ p->Deactivate();
+ p->Release();
+ }
+ if (pIMsg != NULL)
+ {
+ IActiveIMMMessagePumpOwner *p = pIMsg;
+
+ pIMsg = NULL;
+ p->End();
+ p->Release();
+ }
+ OleUninitialize();
+}
+
+/*
+ * Replacement for DefWindowProc().
+ */
+ LRESULT WINAPI
+global_ime_DefWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
+{
+ LRESULT lResult;
+
+ if (pIApp == NULL || pIApp->OnDefWindowProc(hWnd, Msg,
+ wParam, lParam, &lResult) != S_OK)
+ {
+#if defined(WIN3264) && defined(FEAT_MBYTE)
+ if (wide_WindowProc)
+ lResult = DefWindowProcW(hwnd, Msg, wParam, lParam);
+ else
+#endif
+ lResult = DefWindowProc(hWnd, Msg, wParam, lParam);
+ }
+ return lResult;
+}
+
+/*
+ * Replace with TranslateMessage()
+ */
+ BOOL WINAPI
+global_ime_TranslateMessage(CONST MSG *lpMsg)
+{
+ if (pIMsg == NULL || pIMsg->OnTranslateMessage(lpMsg) == S_FALSE)
+ return TranslateMessage(lpMsg);
+ return TRUE;
+}
+
+/*
+ * Set position of IME compotision window.
+ *
+ * You have to call this before starting composition. If once composition
+ * started, this can take no effect until that composition have finised. So
+ * you should handle WM_IME_STARTCOMPOSITION and call this function.
+ */
+ void WINAPI
+global_ime_set_position(POINT *pPoint)
+{
+ HIMC hImc = NULL;
+
+ if (pIApp == NULL || pPoint == NULL)
+ return;
+
+ if (SUCCEEDED(pIApp->GetContext(s_hWnd, &hImc)))
+ {
+ COMPOSITIONFORM CompForm;
+
+ CompForm.dwStyle = CFS_POINT;
+ CompForm.ptCurrentPos = *pPoint;
+ pIApp->SetCompositionWindow(hImc, &CompForm);
+ pIApp->ReleaseContext(s_hWnd, hImc);
+ }
+}
+
+/*
+ * Set font to Global IME
+ */
+/* GIME_TEST */
+ void WINAPI
+global_ime_set_font(LOGFONT *pFont)
+{
+ HIMC hImc = NULL;
+
+ if (pIApp == NULL || pFont == NULL)
+ return;
+
+ if (SUCCEEDED(pIApp->GetContext(s_hWnd, &hImc)))
+ {
+ pIApp->SetCompositionFontA(hImc, pFont);
+ pIApp->ReleaseContext(s_hWnd, hImc);
+ }
+}
+
+/*
+ * for IME control. Save current status of IME, and set force new-status to
+ * Engllish (turn off).
+ */
+ void WINAPI
+global_ime_status_evacuate()
+{
+ HIMC hImc;
+
+ if (pIApp != NULL && SUCCEEDED(pIApp->GetContext(s_hWnd, &hImc)))
+ {
+ s_bStatus = (pIApp->GetOpenStatus(hImc) == 0) ? TRUE : FALSE;
+ pIApp->SetOpenStatus(hImc, FALSE);
+ pIApp->ReleaseContext(s_hWnd, hImc);
+ }
+}
+
+/*
+ * for IME control. Change IME status to last saved one.
+ */
+ void WINAPI
+global_ime_status_restore()
+{
+ HIMC hImc;
+
+ if (pIApp != NULL && SUCCEEDED(pIApp->GetContext(s_hWnd, &hImc)))
+ {
+ pIApp->SetOpenStatus(hImc, s_bStatus);
+ pIApp->ReleaseContext(s_hWnd, hImc);
+ }
+}
+
+ void WINAPI
+global_ime_set_status(int status)
+{
+ HIMC hImc;
+
+ if (pIApp != NULL && SUCCEEDED(pIApp->GetContext(s_hWnd, &hImc)))
+ {
+ pIApp->SetOpenStatus(hImc, status ? TRUE : FALSE);
+ pIApp->ReleaseContext(s_hWnd, hImc);
+ }
+}
+
+ int WINAPI
+global_ime_get_status()
+{
+ int status = 0;
+ HIMC hImc;
+
+ if (pIApp != NULL && SUCCEEDED(pIApp->GetContext(s_hWnd, &hImc)))
+ {
+ status = pIApp->GetOpenStatus(hImc) ? 1 : 0;
+ pIApp->ReleaseContext(s_hWnd, hImc);
+ }
+ return status;
+}
+
+#endif /* GLOBAL_IME */