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482 lines
13 KiB
482 lines
13 KiB
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/*************************************************
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* ui.c *
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* *
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* Copyright (C) 1999 Microsoft Inc. *
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* *
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*************************************************/
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#include <windows.h>
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#include <immdev.h>
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#include "imeattr.h"
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#include "imedefs.h"
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/**********************************************************************/
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/* CreateUIWindow() */
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/**********************************************************************/
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void PASCAL CreateUIWindow( // create composition window
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HWND hUIWnd)
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{
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HGLOBAL hUIPrivate;
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LPUIPRIV lpUIPrivate;
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// create storage for UI setting
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hUIPrivate = GlobalAlloc(GHND, sizeof(UIPRIV));
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if (!hUIPrivate) { // Oh! Oh!
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return;
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}
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SetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE, (LONG_PTR)hUIPrivate);
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// set the default position for UI window, it is hide now
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SetWindowPos(hUIWnd, NULL, 0, 0, 0, 0, SWP_NOACTIVATE|SWP_NOZORDER);
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ShowWindow(hUIWnd, SW_SHOWNOACTIVATE);
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lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
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if (!lpUIPrivate) { // can not draw candidate window
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return;
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}
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GlobalUnlock(hUIPrivate);
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return;
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}
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/**********************************************************************/
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/* DestroyUIWindow() */
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/**********************************************************************/
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void PASCAL DestroyUIWindow( // destroy composition window
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HWND hUIWnd)
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{
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HGLOBAL hUIPrivate;
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LPUIPRIV lpUIPrivate;
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hUIPrivate = (HGLOBAL)GetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE);
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if (!hUIPrivate) { // Oh! Oh!
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return;
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}
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lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
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if (!lpUIPrivate) { // Oh! Oh!
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return;
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}
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// composition window need to be destroyed
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if (lpUIPrivate->hCompWnd) {
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DestroyWindow(lpUIPrivate->hCompWnd);
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}
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GlobalUnlock(hUIPrivate);
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// free storage for UI settings
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GlobalFree(hUIPrivate);
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return;
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}
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/**********************************************************************/
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/* ShowUI() */
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/**********************************************************************/
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void PASCAL ShowUI( // show the sub windows
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HWND hUIWnd,
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int nShowCmd)
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{
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HIMC hIMC;
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LPINPUTCONTEXT lpIMC;
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LPPRIVCONTEXT lpImcP;
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HGLOBAL hUIPrivate;
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LPUIPRIV lpUIPrivate;
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if (nShowCmd == SW_HIDE) {
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} else if (!(hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC))) {
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nShowCmd = SW_HIDE;
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} else if (!(lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC))) {
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nShowCmd = SW_HIDE;
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} else if (!(lpImcP = (LPPRIVCONTEXT)ImmLockIMCC(lpIMC->hPrivate))) {
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ImmUnlockIMC(hIMC);
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nShowCmd = SW_HIDE;
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} else {
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}
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if (nShowCmd == SW_HIDE) {
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ShowComp(hUIWnd, nShowCmd);
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return;
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}
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hUIPrivate = (HGLOBAL)GetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE);
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if (!hUIPrivate) { // can not darw status window
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goto ShowUIUnlockIMCC;
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}
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lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
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if (!lpUIPrivate) { // can not draw status window
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goto ShowUIUnlockIMCC;
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}
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if ((lpUIPrivate->fdwSetContext & ISC_SHOWUICOMPOSITIONWINDOW)
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#if 0
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&& (lpImcP->fdwImeMsg & MSG_ALREADY_START)
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#endif
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) {
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if (lpUIPrivate->hCompWnd) {
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if ((UINT)GetWindowLong(lpUIPrivate->hCompWnd, UI_MOVE_XY) !=
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lpImeL->nRevMaxKey) {
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ChangeCompositionSize(hUIWnd);
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}
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if (lpUIPrivate->nShowCompCmd != SW_HIDE) {
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// some time the WM_ERASEBKGND is eaten by the app
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RedrawWindow(lpUIPrivate->hCompWnd, NULL, NULL,
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RDW_FRAME|RDW_INVALIDATE|RDW_ERASE);
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}
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SendMessage(lpUIPrivate->hCompWnd, WM_IME_NOTIFY,
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IMN_SETCOMPOSITIONWINDOW, 0);
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if (lpUIPrivate->nShowCompCmd == SW_HIDE) {
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ShowComp(hUIWnd, nShowCmd);
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}
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} else {
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CreateCompWindow(hUIWnd);
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}
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} else if (lpUIPrivate->nShowCompCmd == SW_HIDE) {
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} else if (lpUIPrivate->fdwSetContext & ISC_OPEN_STATUS_WINDOW) {
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// delay the hide with status window
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lpUIPrivate->fdwSetContext |= ISC_HIDE_COMP_WINDOW;
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} else {
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ShowComp(hUIWnd, SW_HIDE);
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}
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if (lpIMC->fdwInit & INIT_SENTENCE) {
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// app set the sentence mode so we should not change it
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// with the configure option set by end user
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} else if (lpImeL->fdwModeConfig & MODE_CONFIG_PREDICT) {
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if (!(lpIMC->fdwSentence & IME_SMODE_PHRASEPREDICT)) {
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DWORD fdwSentence;
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fdwSentence = lpIMC->fdwSentence;
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*(LPWORD)&fdwSentence |= IME_SMODE_PHRASEPREDICT;
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ImmSetConversionStatus(hIMC, lpIMC->fdwConversion, fdwSentence);
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}
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} else {
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if (lpIMC->fdwSentence & IME_SMODE_PHRASEPREDICT) {
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DWORD fdwSentence;
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fdwSentence = lpIMC->fdwSentence;
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*(LPWORD)&fdwSentence &= ~(IME_SMODE_PHRASEPREDICT);
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ImmSetConversionStatus(hIMC, lpIMC->fdwConversion, fdwSentence);
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}
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}
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// we switch to this hIMC
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lpUIPrivate->hCacheIMC = hIMC;
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GlobalUnlock(hUIPrivate);
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ShowUIUnlockIMCC:
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ImmUnlockIMCC(lpIMC->hPrivate);
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ImmUnlockIMC(hIMC);
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return;
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}
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/**********************************************************************/
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/* NotifyUI() */
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/**********************************************************************/
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void PASCAL NotifyUI(
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HWND hUIWnd,
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WPARAM wParam,
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LPARAM lParam)
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{
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HWND hStatusWnd;
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switch (wParam) {
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case IMN_SETSENTENCEMODE:
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break;
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case IMN_SETCOMPOSITIONFONT:
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// we are not going to change font, but an IME can do this if it want
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break;
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case IMN_SETCOMPOSITIONWINDOW:
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// if (!(lpImeL->fdwModeConfig & MODE_CONFIG_OFF_CARET_UI))
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{
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HWND hCompWnd;
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hCompWnd = GetCompWnd(hUIWnd);
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if (!hCompWnd) {
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return;
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}
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PostMessage(hCompWnd, WM_IME_NOTIFY, wParam, lParam);
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}
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break;
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case IMN_PRIVATE:
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switch (lParam) {
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case IMN_PRIVATE_COMPOSITION_SIZE:
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ChangeCompositionSize(
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hUIWnd);
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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return;
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}
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/**********************************************************************/
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/* UIChange() */
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/**********************************************************************/
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LRESULT PASCAL UIChange(
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HWND hUIWnd)
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{
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HGLOBAL hUIPrivate;
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LPUIPRIV lpUIPrivate;
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hUIPrivate = (HGLOBAL)GetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE);
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if (!hUIPrivate) {
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return (0L);
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}
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lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
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if (!lpUIPrivate) {
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return (0L);
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}
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if (lpUIPrivate->fdwSetContext & ISC_SHOW_UI_ALL) {
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ShowUI(hUIWnd, SW_SHOWNOACTIVATE);
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} else {
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ShowUI(hUIWnd, SW_HIDE);
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}
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GlobalUnlock(hUIPrivate);
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return (0L);
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}
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/**********************************************************************/
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/* SetContext() */
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/**********************************************************************/
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void PASCAL SetContext( // the context activated/deactivated
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HWND hUIWnd,
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BOOL fOn,
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LPARAM lShowUI)
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{
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HGLOBAL hUIPrivate;
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register LPUIPRIV lpUIPrivate;
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hUIPrivate = (HGLOBAL)GetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE);
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if (!hUIPrivate) {
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return;
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}
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lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
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if (!lpUIPrivate) {
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return;
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}
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if (fOn) {
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HIMC hIMC;
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LPINPUTCONTEXT lpIMC;
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register DWORD fdwSetContext;
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lpUIPrivate->fdwSetContext = lpUIPrivate->fdwSetContext &
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~(ISC_SHOWUIALL|ISC_HIDE_SOFTKBD);
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lpUIPrivate->fdwSetContext |= (lShowUI & ISC_SHOWUIALL) |
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ISC_SHOW_SOFTKBD;
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fdwSetContext = lpUIPrivate->fdwSetContext &
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(ISC_SHOWUICOMPOSITIONWINDOW|ISC_HIDE_COMP_WINDOW);
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if (fdwSetContext == ISC_HIDE_COMP_WINDOW) {
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ShowComp(
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hUIWnd, SW_HIDE);
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} else if (fdwSetContext & ISC_HIDE_COMP_WINDOW) {
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lpUIPrivate->fdwSetContext &= ~(ISC_HIDE_COMP_WINDOW);
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} else {
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}
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fdwSetContext = lpUIPrivate->fdwSetContext &
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(ISC_SHOWUICANDIDATEWINDOW|ISC_HIDE_CAND_WINDOW);
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hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC);
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if (!hIMC) {
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goto SetCxtUnlockUIPriv;
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}
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lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
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if (!lpIMC) {
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goto SetCxtUnlockUIPriv;
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}
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if (lpIMC->cfCandForm[0].dwIndex != 0) {
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lpIMC->cfCandForm[0].dwStyle = CFS_DEFAULT;
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}
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ImmUnlockIMC(hIMC);
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} else {
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lpUIPrivate->fdwSetContext &= ~ISC_SETCONTEXT_UI;
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}
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SetCxtUnlockUIPriv:
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GlobalUnlock(hUIPrivate);
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UIChange(
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hUIWnd);
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return;
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}
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/**********************************************************************/
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/* GetCompWindow() */
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/**********************************************************************/
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LRESULT PASCAL GetCompWindow(
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HWND hUIWnd,
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LPCOMPOSITIONFORM lpCompForm)
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{
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HWND hCompWnd;
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RECT rcCompWnd;
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HIMC hIMC;
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LPINPUTCONTEXT lpIMC;
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hCompWnd = GetCompWnd(hUIWnd);
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if (!hCompWnd) {
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return (1L);
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}
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if (!GetWindowRect(hCompWnd, &rcCompWnd)) {
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return (1L);
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}
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lpCompForm->dwStyle = CFS_RECT;
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lpCompForm->ptCurrentPos = *(LPPOINT)&rcCompWnd;
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lpCompForm->rcArea = rcCompWnd;
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hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC);
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if (!hIMC) {
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return (1L);
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}
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lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
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if (!lpIMC) {
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return (1L);
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}
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ScreenToClient(lpIMC->hWnd, &lpCompForm->ptCurrentPos);
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lpCompForm->rcArea.right += lpCompForm->ptCurrentPos.x -
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lpCompForm->rcArea.left;
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lpCompForm->rcArea.bottom += lpCompForm->ptCurrentPos.y -
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lpCompForm->rcArea.top;
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*(LPPOINT)&lpCompForm->rcArea = lpCompForm->ptCurrentPos;
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ImmUnlockIMC(hIMC);
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return (0L);
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}
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/**********************************************************************/
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/* UIWndProc() / UniUIWndProc() */
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/**********************************************************************/
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LRESULT CALLBACK UIWndProc(
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HWND hUIWnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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switch (uMsg) {
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case WM_CREATE:
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CreateUIWindow(hUIWnd);
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break;
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case WM_DESTROY:
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DestroyUIWindow(hUIWnd);
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break;
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case WM_IME_STARTCOMPOSITION:
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//
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// Create a window as the composition window.
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//
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CreateCompWindow(hUIWnd);
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break;
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case WM_IME_COMPOSITION:
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{
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HWND hCompWnd;
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if (lParam & GCS_RESULTSTR)
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{
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MoveDefaultCompPosition(hUIWnd);
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}
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hCompWnd = GetCompWnd(hUIWnd);
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if (hCompWnd)
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{
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RECT rcRect;
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rcRect = lpImeL->rcCompText;
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// off by 1
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rcRect.right += 1;
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rcRect.bottom += 1;
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RedrawWindow(hCompWnd, &rcRect, NULL, RDW_INVALIDATE);
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}
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break;
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}
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case WM_IME_ENDCOMPOSITION:
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//
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// We can destroy the composition window here. But we don't have a
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// status window. So we keep the composition window displayed
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// to show our presence.
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//
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return (0L);
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case WM_IME_NOTIFY:
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NotifyUI(hUIWnd, wParam, lParam);
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break;
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case WM_IME_SETCONTEXT:
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SetContext(hUIWnd, (BOOL)wParam, lParam);
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break;
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case WM_IME_CONTROL:
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switch (wParam) {
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case IMC_GETCOMPOSITIONWINDOW:
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return GetCompWindow(hUIWnd, (LPCOMPOSITIONFORM)lParam);
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}
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case WM_IME_COMPOSITIONFULL:
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return (0L);
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case WM_IME_SELECT:
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//
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// try to use SetContext
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// SelectIME(hUIWnd, (BOOL)wParam);
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//
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SetContext( hUIWnd, (BOOL)wParam, 0);
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//
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// We want a comp window immediately after IME starts.
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//
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CreateCompWindow(hUIWnd);
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return (0L);
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case WM_MOUSEACTIVATE:
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return (MA_NOACTIVATE);
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case WM_USER_UICHANGE:
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return UIChange(
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hUIWnd);
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default:
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return DefWindowProc(hUIWnd, uMsg, wParam, lParam);
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}
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return (0L);
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}
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