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windows-nt/Source/XPSP1/NT/windows/feime/usa/compui.c

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2020-09-26 03:20:57 -05:00
/*************************************************
* compui.c *
* *
* Copyright (C) 1999 Microsoft Inc. *
* *
*************************************************/
#include <windows.h>
#include <immdev.h>
#include "imeattr.h"
#include "imedefs.h"
/**********************************************************************/
/* GetCompWnd */
/* Return Value : */
/* window handle of composition */
/**********************************************************************/
HWND PASCAL GetCompWnd(
HWND hUIWnd) // UI window
{
HGLOBAL hUIPrivate;
LPUIPRIV lpUIPrivate;
HWND hCompWnd;
hUIPrivate = (HGLOBAL)GetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE);
if (!hUIPrivate) { // can not darw candidate window
return (HWND)NULL;
}
lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
if (!lpUIPrivate) { // can not draw candidate window
return (HWND)NULL;
}
hCompWnd = lpUIPrivate->hCompWnd;
GlobalUnlock(hUIPrivate);
return (hCompWnd);
}
/**********************************************************************/
/* GetNearCaretPosition() */
/**********************************************************************/
void PASCAL GetNearCaretPosition( // decide a near caret position according
// to the caret position
LPPOINT lpptFont,
UINT uEsc,
UINT uRot,
LPPOINT lpptCaret,
LPPOINT lpptNearCaret,
BOOL fFlags)
{
LONG lFontSize;
LONG xWidthUI, yHeightUI, xBorder, yBorder;
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "caret position, x - %d, y - %d",
lpptCaret->x, lpptCaret->y);
#endif
if ((uEsc + uRot) & 0x0001) {
lFontSize = lpptFont->x;
} else {
lFontSize = lpptFont->y;
}
if (fFlags & NEAR_CARET_CANDIDATE) {
xWidthUI = lpImeL->xCandWi;
yHeightUI = lpImeL->yCandHi;
xBorder = lpImeL->cxCandBorder;
yBorder = lpImeL->cyCandBorder;
} else {
xWidthUI = lpImeL->xCompWi;
yHeightUI = lpImeL->yCompHi;
xBorder = lpImeL->cxCompBorder;
yBorder = lpImeL->cyCompBorder;
}
if (fFlags & NEAR_CARET_FIRST_TIME) {
lpptNearCaret->x = lpptCaret->x +
lFontSize * ncUIEsc[uEsc].iLogFontFacX +
sImeG.iPara * ncUIEsc[uEsc].iParaFacX +
sImeG.iPerp * ncUIEsc[uEsc].iPerpFacX;
if (ptInputEsc[uEsc].x >= 0) {
lpptNearCaret->x += xBorder * 2;
} else {
lpptNearCaret->x -= xWidthUI - xBorder * 2;
}
lpptNearCaret->y = lpptCaret->y +
lFontSize * ncUIEsc[uEsc].iLogFontFacY +
sImeG.iPara * ncUIEsc[uEsc].iParaFacY +
sImeG.iPerp * ncUIEsc[uEsc].iPerpFacY;
if (ptInputEsc[uEsc].y >= 0) {
lpptNearCaret->y += yBorder * 2;
} else {
lpptNearCaret->y -= yHeightUI - yBorder * 2;
}
} else {
lpptNearCaret->x = lpptCaret->x +
lFontSize * ncAltUIEsc[uEsc].iLogFontFacX +
sImeG.iPara * ncAltUIEsc[uEsc].iParaFacX +
sImeG.iPerp * ncAltUIEsc[uEsc].iPerpFacX;
if (ptAltInputEsc[uEsc].x >= 0) {
lpptNearCaret->x += xBorder * 2;
} else {
lpptNearCaret->x -= xWidthUI - xBorder * 2;
}
lpptNearCaret->y = lpptCaret->y +
lFontSize * ncAltUIEsc[uEsc].iLogFontFacY +
sImeG.iPara * ncAltUIEsc[uEsc].iParaFacY +
sImeG.iPerp * ncAltUIEsc[uEsc].iPerpFacY;
if (ptAltInputEsc[uEsc].y >= 0) {
lpptNearCaret->y += yBorder * 2;
} else {
lpptNearCaret->y -= yHeightUI - yBorder * 2;
}
}
if (lpptNearCaret->x < sImeG.rcWorkArea.left) {
lpptNearCaret->x = sImeG.rcWorkArea.left;
} else if (lpptNearCaret->x + xWidthUI > sImeG.rcWorkArea.right) {
lpptNearCaret->x = sImeG.rcWorkArea.right - xWidthUI;
} else {
}
if (lpptNearCaret->y < sImeG.rcWorkArea.top) {
lpptNearCaret->y = sImeG.rcWorkArea.top;
} else if (lpptNearCaret->y + yHeightUI > sImeG.rcWorkArea.bottom) {
lpptNearCaret->y = sImeG.rcWorkArea.bottom - yHeightUI;
} else {
}
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Near caret position, x - %d, y - %d",
lpptNearCaret->x, lpptNearCaret->y);
#endif
return;
}
/**********************************************************************/
/* FitInLazyOperation() */
/* Return Value : */
/* TRUE or FALSE */
/**********************************************************************/
BOOL PASCAL FitInLazyOperation( // fit in lazy operation or not
LPPOINT lpptOrg,
LPPOINT lpptNearCaret, // the suggested near caret position
LPRECT lprcInputRect,
UINT uEsc)
{
POINT ptDelta, ptTol;
RECT rcUIRect, rcInterRect;
ptDelta.x = lpptOrg->x - lpptNearCaret->x;
ptDelta.x = (ptDelta.x >= 0) ? ptDelta.x : -ptDelta.x;
ptTol.x = sImeG.iParaTol * ncUIEsc[uEsc].iParaFacX +
sImeG.iPerpTol * ncUIEsc[uEsc].iPerpFacX;
ptTol.x = (ptTol.x >= 0) ? ptTol.x : -ptTol.x;
if (ptDelta.x > ptTol.x) {
return (FALSE);
}
ptDelta.y = lpptOrg->y - lpptNearCaret->y;
ptDelta.y = (ptDelta.y >= 0) ? ptDelta.y : -ptDelta.y;
ptTol.y = sImeG.iParaTol * ncUIEsc[uEsc].iParaFacY +
sImeG.iPerpTol * ncUIEsc[uEsc].iPerpFacY;
ptTol.y = (ptTol.y >= 0) ? ptTol.y : -ptTol.y;
if (ptDelta.y > ptTol.y) {
return (FALSE);
}
// build up the UI rectangle (composition window)
rcUIRect.left = lpptOrg->x;
rcUIRect.top = lpptOrg->y;
rcUIRect.right = rcUIRect.left + lpImeL->xCompWi;
rcUIRect.bottom = rcUIRect.top + lpImeL->yCompHi;
if (IntersectRect(&rcInterRect, &rcUIRect, lprcInputRect)) {
return (FALSE);
}
return (TRUE);
}
/**********************************************************************/
/* AdjustCompPosition() */
/* Return Value : */
/* the position of composition window is changed or not */
/**********************************************************************/
BOOL PASCAL AdjustCompPosition( // IME adjust position according to
// composition form
LPINPUTCONTEXT lpIMC,
LPPOINT lpptOrg, // original composition window
// and final position
LPPOINT lpptNew) // new expect position
{
POINT ptNearCaret, ptOldNearCaret, ptCompWnd;
UINT uEsc, uRot;
RECT rcUIRect, rcInputRect, rcInterRect;
POINT ptFont;
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Original Position, x - %d, y - %d",
lpptOrg->x, lpptOrg->y);
_DebugOut(DEB_WARNING, "New Position, x - %d, y - %d",
lpptNew->x, lpptNew->y);
#endif
// we need to adjust according to font attribute
if (lpIMC->lfFont.A.lfWidth > 0) {
ptFont.x = lpIMC->lfFont.A.lfWidth * 2;
} else if (lpIMC->lfFont.A.lfWidth < 0) {
ptFont.x = -lpIMC->lfFont.A.lfWidth * 2;
} else if (lpIMC->lfFont.A.lfHeight > 0) {
ptFont.x = lpIMC->lfFont.A.lfHeight;
} else if (lpIMC->lfFont.A.lfHeight < 0) {
ptFont.x = -lpIMC->lfFont.A.lfHeight;
} else {
ptFont.x = lpImeL->yCompHi;
}
if (lpIMC->lfFont.A.lfHeight > 0) {
ptFont.y = lpIMC->lfFont.A.lfHeight;
} else if (lpIMC->lfFont.A.lfHeight < 0) {
ptFont.y = -lpIMC->lfFont.A.lfHeight;
} else {
ptFont.y = ptFont.x;
}
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "All positve, x - %d, y - %d",
ptFont.x, ptFont.y);
#endif
// if the input char is too big, we don't need to consider so much
if (ptFont.x > lpImeL->yCompHi * 8) {
ptFont.x = lpImeL->yCompHi * 8;
}
if (ptFont.y > lpImeL->yCompHi * 8) {
ptFont.y = lpImeL->yCompHi * 8;
}
if (ptFont.x < sImeG.xChiCharWi) {
ptFont.x = sImeG.xChiCharWi;
}
if (ptFont.y < sImeG.yChiCharHi) {
ptFont.y = sImeG.yChiCharHi;
}
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Not too large or too samll, x - %d, y - %d",
ptFont.x, ptFont.y);
#endif
// -450 to 450 index 0
// 450 to 1350 index 1
// 1350 to 2250 index 2
// 2250 to 3150 index 3
uEsc = (UINT)((lpIMC->lfFont.A.lfEscapement + 450) / 900 % 4);
uRot = (UINT)((lpIMC->lfFont.A.lfOrientation + 450) / 900 % 4);
// decide the input rectangle
rcInputRect.left = lpptNew->x;
rcInputRect.top = lpptNew->y;
// build up an input rectangle from escapemment
rcInputRect.right = rcInputRect.left + ptFont.x * ptInputEsc[uEsc].x;
rcInputRect.bottom = rcInputRect.top + ptFont.y * ptInputEsc[uEsc].y;
// be a normal rectangle, not a negative rectangle
if (rcInputRect.left > rcInputRect.right) {
LONG tmp;
tmp = rcInputRect.left;
rcInputRect.left = rcInputRect.right;
rcInputRect.right = tmp;
}
if (rcInputRect.top > rcInputRect.bottom) {
LONG tmp;
tmp = rcInputRect.top;
rcInputRect.top = rcInputRect.bottom;
rcInputRect.bottom = tmp;
}
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Input Rect, top - %d, left - %d, bottom %d, right - %d",
rcInputRect.top, rcInputRect.left, rcInputRect.bottom, rcInputRect.right);
#endif
GetNearCaretPosition(
&ptFont, uEsc, uRot, lpptNew, &ptNearCaret, NEAR_CARET_FIRST_TIME);
// 1st, use the adjust point
// build up the new suggest UI rectangle (composition window)
rcUIRect.left = ptNearCaret.x;
rcUIRect.top = ptNearCaret.y;
rcUIRect.right = rcUIRect.left + lpImeL->xCompWi;
rcUIRect.bottom = rcUIRect.top + lpImeL->yCompHi;
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Near caret UI Rect, top - %d, left - %d, bottom %d, right - %d",
rcUIRect.top, rcUIRect.left, rcUIRect.bottom, rcUIRect.right);
#endif
ptCompWnd = ptOldNearCaret = ptNearCaret;
// OK, no intersect between the near caret position and input char
if (IntersectRect(&rcInterRect, &rcUIRect, &rcInputRect)) {
} else if (FitInLazyOperation(
lpptOrg, &ptNearCaret, &rcInputRect, uEsc)) {
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Fit in lazy operation");
#endif
// happy ending!!!, don't chaqge position
return (FALSE);
} else {
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Go to adjust point");
#endif
*lpptOrg = ptNearCaret;
// happy ending!!
return (TRUE);
}
// unhappy case
GetNearCaretPosition(
&ptFont, uEsc, uRot, lpptNew, &ptNearCaret, 0);
// build up the new suggest UI rectangle (composition window)
rcUIRect.left = ptNearCaret.x;
rcUIRect.top = ptNearCaret.y;
rcUIRect.right = rcUIRect.left + lpImeL->xCompWi;
rcUIRect.bottom = rcUIRect.top + lpImeL->yCompHi;
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Another NearCaret UI Rect, top - %d, left - %d, bottom %d, right - %d",
rcUIRect.top, rcUIRect.left, rcUIRect.bottom, rcUIRect.right);
#endif
ptCompWnd = ptNearCaret;
// OK, no intersect between the adjust position and input char
if (IntersectRect(&rcInterRect, &rcUIRect, &rcInputRect)) {
} else if (FitInLazyOperation(
lpptOrg, &ptNearCaret, &rcInputRect, uEsc)) {
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Fit in Another lazy operation");
#endif
// happy ending!!!, don't chaqge position
return (FALSE);
} else {
#ifdef IDEBUG
_DebugOut(DEB_WARNING, "Go to Another near caret point");
#endif
*lpptOrg = ptNearCaret;
// happy ending!!
return (TRUE);
}
// unhappy ending! :-(
*lpptOrg = ptOldNearCaret;
return (TRUE);
}
/**********************************************************************/
/* SetCompPosition() */
/**********************************************************************/
void PASCAL SetCompPosition( // set the composition window position
HWND hCompWnd,
LPINPUTCONTEXT lpIMC)
{
POINT ptWnd;
BOOL fChange = FALSE;
HWND hCandWnd;
//
// the client coordinate position (0, 0) of composition window
//
ptWnd.x = 0;
ptWnd.y = 0;
//
// convert to screen coordinates
//
ClientToScreen(hCompWnd, &ptWnd);
ptWnd.x -= lpImeL->cxCompBorder;
ptWnd.y -= lpImeL->cyCompBorder;
if (lpIMC->cfCompForm.dwStyle & CFS_FORCE_POSITION)
{
POINT ptNew; // new position of UI
ptNew = lpIMC->cfCompForm.ptCurrentPos;
ClientToScreen((HWND)lpIMC->hWnd, &ptNew);
if (ptWnd.x != ptNew.x)
{
ptWnd.x = ptNew.x;
fChange = TRUE;
}
if (ptWnd.y != ptNew.y)
{
ptWnd.y = ptNew.y;
fChange = TRUE;
}
if (fChange)
{
ptWnd.x -= lpImeL->cxCompBorder;
ptWnd.y -= lpImeL->cyCompBorder;
}
}
else if (lpIMC->cfCompForm.dwStyle != CFS_DEFAULT)
{
//
// aplication tell us the position, we need to adjust
//
POINT ptNew; // new position of UI
ptNew = lpIMC->cfCompForm.ptCurrentPos;
ClientToScreen((HWND)lpIMC->hWnd, &ptNew);
fChange = AdjustCompPosition(
lpIMC, &ptWnd, &ptNew);
}
else
{
POINT ptNew; // new position of UI
ptNew.x = lpIMC->ptStatusWndPos.x + lpImeL->xStatusWi + UI_MARGIN;
if (ptNew.x + lpImeL->xCompWi > sImeG.rcWorkArea.right)
{
ptNew.x = lpIMC->ptStatusWndPos.x -
lpImeL->xCompWi - lpImeL->cxCompBorder * 2 -
UI_MARGIN;
}
ptNew.y = sImeG.rcWorkArea.bottom - lpImeL->yCompHi - 2 * UI_MARGIN;
if (ptWnd.x != ptNew.x)
{
ptWnd.x = ptNew.x;
fChange = TRUE;
}
if (ptWnd.y != ptNew.y)
{
ptWnd.y = ptNew.y;
fChange = TRUE;
}
if (fChange)
{
lpIMC->cfCompForm.ptCurrentPos = ptNew;
ScreenToClient(lpIMC->hWnd, &lpIMC->cfCompForm.ptCurrentPos);
}
}
if (!fChange)
{
return;
}
SetWindowPos(hCompWnd,
NULL,
ptWnd.x,
ptWnd.y,
0,
0,
SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOZORDER);
if (lpIMC->cfCandForm[0].dwIndex == 0)
{
//
// application the candidate position by itself
//
return;
}
ScreenToClient(lpIMC->hWnd, &ptWnd);
lpIMC->cfCandForm[0].dwStyle = CFS_CANDIDATEPOS;
lpIMC->cfCandForm[0].ptCurrentPos = ptWnd;
return;
}
/**********************************************************************/
/* SetCompWindow() */
/**********************************************************************/
void PASCAL SetCompWindow( // set the position of composition window
HWND hCompWnd)
{
HIMC hIMC;
LPINPUTCONTEXT lpIMC;
HWND hUIWnd;
hUIWnd = GetWindow(hCompWnd, GW_OWNER);
if (!hUIWnd) {
return;
}
hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC);
if (!hIMC) {
return;
}
lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
if (!lpIMC) {
return;
}
SetCompPosition(
hCompWnd, lpIMC);
ImmUnlockIMC(hIMC);
return;
}
/**********************************************************************/
/* MoveDefaultCompPosition() */
/**********************************************************************/
void PASCAL MoveDefaultCompPosition( // the default comp position
// need to near the caret
HWND hUIWnd)
{
HIMC hIMC;
LPINPUTCONTEXT lpIMC;
HWND hCompWnd;
hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC);
if (!hIMC)
{
return;
}
hCompWnd = GetCompWnd(hUIWnd);
if (!hCompWnd)
{
return;
}
lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
if (!lpIMC)
{
return;
}
if (!(lpIMC->cfCompForm.dwStyle & CFS_FORCE_POSITION))
{
SetCompPosition( hCompWnd, lpIMC);
}
ImmUnlockIMC(hIMC);
return;
}
/**********************************************************************/
/* ShowComp() */
/**********************************************************************/
void PASCAL ShowComp( // Show the composition window
HWND hUIWnd,
int nShowCompCmd)
{
HGLOBAL hUIPrivate;
LPUIPRIV lpUIPrivate;
// show or hid the UI window
hUIPrivate = (HGLOBAL)GetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE);
if (!hUIPrivate) {
return;
}
lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
if (!lpUIPrivate) {
return;
}
if (lpUIPrivate->nShowCompCmd == nShowCompCmd) {
goto SwCompNoChange;
}
if (nShowCompCmd == SW_HIDE) {
lpUIPrivate->fdwSetContext &= ~(ISC_HIDE_COMP_WINDOW);
}
if (!lpUIPrivate->hCompWnd) {
// not in show candidate window mode
/*
} else if (lpImeL->fdwModeConfig & MODE_CONFIG_OFF_CARET_UI) {
int nCurrShowState;
lpUIPrivate->nShowCompCmd = nShowCompCmd;
nCurrShowState = lpUIPrivate->nShowStatusCmd;
nCurrShowState |= lpUIPrivate->nShowCandCmd;
if (nCurrShowState == SW_HIDE) {
// if other two are hide, the current show state is determined
// by this composition section
ShowWindow(lpUIPrivate->hCompWnd, lpUIPrivate->nShowCompCmd);
} else {
RECT rcRect;
rcRect = lpImeL->rcCompText;
// off by 1
rcRect.right += 1;
rcRect.bottom += 1;
RedrawWindow(lpUIPrivate->hCompWnd, &rcRect, NULL,
RDW_INVALIDATE);
}
*/
} else {
ShowWindow(lpUIPrivate->hCompWnd, nShowCompCmd);
lpUIPrivate->nShowCompCmd = nShowCompCmd;
}
SwCompNoChange:
GlobalUnlock(hUIPrivate);
return;
}
/**********************************************************************/
/* CreateCompWindow() */
/**********************************************************************/
void PASCAL CreateCompWindow(
HWND hUIWnd)
{
HIMC hIMC;
HGLOBAL hUIPrivate;
LPINPUTCONTEXT lpIMC;
LPUIPRIV lpUIPrivate;
LPPRIVCONTEXT lpImcP;
DWORD fdwImeMsg;
hUIPrivate = (HGLOBAL)GetWindowLongPtr(hUIWnd, IMMGWLP_PRIVATE);
if (!hUIPrivate)
{
return;
}
hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC);
if (!hIMC)
{
return;
}
lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
if (!lpUIPrivate)
{
return;
}
lpUIPrivate->fdwSetContext |= ISC_SHOWUICOMPOSITIONWINDOW;
lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
if (!lpIMC)
{
goto StartCompUnlockUIPriv;
}
fdwImeMsg = 0;
lpImcP = (LPPRIVCONTEXT)ImmLockIMCC(lpIMC->hPrivate);
if (lpImcP)
{
fdwImeMsg = lpImcP->fdwImeMsg;
ImmUnlockIMCC(lpIMC->hPrivate);
}
#if 0
//
// We want to create comp window when IME starts. So the following
// is not good.
//
if (!(fdwImeMsg & MSG_ALREADY_START))
{
//
// Sometime the application call ImmNotifyIME to cancel the
// composition before it process WM_IME_STARTCOMPOSITION.
// We should avoid to process this kind of WM_IME_STARTCOMPOSITION.
//
goto StartCompUnlockIMC;
}
#endif
if (!lpUIPrivate->hCompWnd)
{
POINT ptNew;
ptNew = lpIMC->cfCompForm.ptCurrentPos;
ClientToScreen((HWND)lpIMC->hWnd, &ptNew);
lpUIPrivate->hCompWnd = CreateWindowEx(0,
lpImeL->szCompClassName, NULL,
WS_POPUP|WS_DISABLED|WS_BORDER,
ptNew.x, ptNew.y, lpImeL->xCompWi, lpImeL->yCompHi,
hUIWnd, (HMENU)NULL, lpInstL->hInst, NULL);
SetWindowLong(lpUIPrivate->hCompWnd, UI_MOVE_OFFSET, WINDOW_NOT_DRAG);
SetWindowLong(lpUIPrivate->hCompWnd, UI_MOVE_XY, lpImeL->nRevMaxKey);
}
//
// try to set the position of composition UI window near the caret
//
SetCompPosition( lpUIPrivate->hCompWnd, lpIMC);
ShowComp(hUIWnd, SW_SHOWNOACTIVATE);
ImmUnlockIMC(hIMC);
StartCompUnlockUIPriv:
GlobalUnlock(hUIPrivate);
return;
}
#if 0
//
// For unicode ime, we always keep the composition windows displayed
// because we don't have a status window to show our presence.
//
/**********************************************************************/
/* EndComp() */
/**********************************************************************/
void PASCAL EndComp(
HWND hUIWnd)
{
ShowComp(hUIWnd, SW_HIDE);
return;
}
#endif
/**********************************************************************/
/* ChangeCompositionSize() */
/**********************************************************************/
void PASCAL ChangeCompositionSize(
HWND hUIWnd)
{
HWND hCompWnd, hCandWnd;
RECT rcWnd;
UINT nMaxKey;
HIMC hIMC;
LPINPUTCONTEXT lpIMC;
hCompWnd = GetCompWnd(hUIWnd);
if (!hCompWnd) {
return;
}
GetWindowRect(hCompWnd, &rcWnd);
if ((rcWnd.right - rcWnd.left) != lpImeL->xCompWi) {
} else if ((rcWnd.bottom - rcWnd.top) != lpImeL->yCompHi) {
} else {
return;
}
SetWindowPos(hCompWnd, NULL,
0, 0, lpImeL->xCompWi, lpImeL->yCompHi,
SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOZORDER);
if (lpImeL->nRevMaxKey >= lpImeL->nMaxKey) {
nMaxKey = lpImeL->nRevMaxKey;
} else {
nMaxKey = lpImeL->nMaxKey;
}
SetWindowLong(hCompWnd, UI_MOVE_XY, nMaxKey);
return;
}
/**********************************************************************/
/* DestroyCompWindow() */
/**********************************************************************/
void PASCAL DestroyCompWindow( // destroy composition window
HWND hCompWnd)
{
HGLOBAL hUIPrivate;
LPUIPRIV lpUIPrivate;
if (GetWindowLong(hCompWnd, UI_MOVE_OFFSET) != WINDOW_NOT_DRAG) {
// undo the drag border
DrawDragBorder(hCompWnd,
GetWindowLong(hCompWnd, UI_MOVE_XY),
GetWindowLong(hCompWnd, UI_MOVE_OFFSET));
}
hUIPrivate = (HGLOBAL)GetWindowLongPtr(GetWindow(hCompWnd, GW_OWNER),
IMMGWLP_PRIVATE);
if (!hUIPrivate) { // Oh! Oh!
return;
}
lpUIPrivate = (LPUIPRIV)GlobalLock(hUIPrivate);
if (!lpUIPrivate) { // Oh! Oh!
return;
}
lpUIPrivate->nShowCompCmd = SW_HIDE;
lpUIPrivate->hCompWnd = (HWND)NULL;
GlobalUnlock(hUIPrivate);
return;
}
/**********************************************************************/
/* CompSetCursor() */
/**********************************************************************/
void PASCAL CompSetCursor(
HWND hCompWnd,
LPARAM lParam)
{
POINT ptCursor;
RECT rcWnd;
// SetCursor(LoadCursor(NULL, IDC_SIZEALL));
if (GetWindowLong(hCompWnd, UI_MOVE_OFFSET) !=
WINDOW_NOT_DRAG) {
return;
}
if (HIWORD(lParam) != WM_LBUTTONDOWN) {
return;
}
// start dragging
SystemParametersInfo(SPI_GETWORKAREA, 0, &sImeG.rcWorkArea, 0);
SetCapture(hCompWnd);
GetCursorPos(&ptCursor);
SetWindowLong(hCompWnd, UI_MOVE_XY,
MAKELONG(ptCursor.x, ptCursor.y));
GetWindowRect(hCompWnd, &rcWnd);
SetWindowLong(hCompWnd, UI_MOVE_OFFSET,
MAKELONG(ptCursor.x - rcWnd.left, ptCursor.y - rcWnd.top));
DrawDragBorder(hCompWnd, MAKELONG(ptCursor.x, ptCursor.y),
GetWindowLong(hCompWnd, UI_MOVE_OFFSET));
return;
}
/**********************************************************************/
/* CompButtonUp() */
/**********************************************************************/
BOOL PASCAL CompButtonUp( // finish drag, set comp window to this
// position
HWND hCompWnd)
{
LONG lTmpCursor, lTmpOffset;
POINT pt;
HWND hUIWnd;
HIMC hIMC;
LPINPUTCONTEXT lpIMC;
if (GetWindowLong(hCompWnd, UI_MOVE_OFFSET) == WINDOW_NOT_DRAG) {
return (FALSE);
}
lTmpCursor = GetWindowLong(hCompWnd, UI_MOVE_XY);
// calculate the org by the offset
lTmpOffset = GetWindowLong(hCompWnd, UI_MOVE_OFFSET);
pt.x = (*(LPPOINTS)&lTmpCursor).x - (*(LPPOINTS)&lTmpOffset).x;
pt.y = (*(LPPOINTS)&lTmpCursor).y - (*(LPPOINTS)&lTmpOffset).y;
DrawDragBorder(hCompWnd, lTmpCursor, lTmpOffset);
SetWindowLong(hCompWnd, UI_MOVE_OFFSET, WINDOW_NOT_DRAG);
SetWindowLong(hCompWnd, UI_MOVE_XY, lpImeL->nRevMaxKey);
ReleaseCapture();
hUIWnd = GetWindow(hCompWnd, GW_OWNER);
hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC);
if (!hIMC) {
return (FALSE);
}
lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
if (!lpIMC) {
return (FALSE);
}
if (pt.x < sImeG.rcWorkArea.left) {
pt.x = sImeG.rcWorkArea.left;
} else if (pt.x + lpImeL->xCompWi > sImeG.rcWorkArea.right) {
pt.x = sImeG.rcWorkArea.right - lpImeL->xCompWi;
}
if (pt.y < sImeG.rcWorkArea.top) {
pt.y = sImeG.rcWorkArea.top;
} else if (pt.y + lpImeL->yCompHi > sImeG.rcWorkArea.bottom) {
pt.y = sImeG.rcWorkArea.bottom - lpImeL->yCompHi;
}
lpIMC->cfCompForm.dwStyle = CFS_FORCE_POSITION;
lpIMC->cfCompForm.ptCurrentPos.x = pt.x + lpImeL->cxCompBorder;
lpIMC->cfCompForm.ptCurrentPos.y = pt.y + lpImeL->cyCompBorder;
ScreenToClient(lpIMC->hWnd, &lpIMC->cfCompForm.ptCurrentPos);
ImmUnlockIMC(hIMC);
// set composition window to the new poosition
PostMessage(hCompWnd, WM_IME_NOTIFY, IMN_SETCOMPOSITIONWINDOW, 0);
return (TRUE);
}
/**********************************************************************/
/* PaintCompWindow() */
/**********************************************************************/
void PASCAL PaintCompWindow(
HWND hUIWnd,
HDC hDC)
{
HIMC hIMC;
LPINPUTCONTEXT lpIMC;
LPCOMPOSITIONSTRING lpCompStr;
HGDIOBJ hOldFont;
LOGFONT lfFont;
// RECT rcSunken;
hIMC = (HIMC)GetWindowLongPtr(hUIWnd, IMMGWLP_IMC);
if (!hIMC) {
return;
}
lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
if (!lpIMC) {
return;
}
lpCompStr = (LPCOMPOSITIONSTRING)ImmLockIMCC(lpIMC->hCompStr);
hOldFont = GetCurrentObject(hDC, OBJ_FONT);
if ( hOldFont == NULL)
{
if (lpCompStr) {
ImmUnlockIMCC(lpIMC->hCompStr);
}
ImmUnlockIMC(hIMC);
return;
}
/*
// GetObject(hOldFont, sizeof(lfFont), &lfFont);
memset (&lfFont, 0, sizeof(LOGFONT));
lfFont.lfHeight = -11;
lfFont.lfCharSet = NATIVE_CHARSET;
lfFont.lfWeight = FW_NORMAL;
lstrcpy(lfFont.lfFaceName,TEXT("MS Shell Dlg"));
//SelectObject(hDC, CreateFontIndirect(&lfFont));
*/
SelectObject(hDC, GetStockObject(DEFAULT_GUI_FONT));
// light gray background for normal case
SetBkColor(hDC, RGB(0xC0, 0xC0, 0xC0));
if (!lpCompStr) {
goto UpdCompWndShowGuideLine;
} else if (!lpCompStr->dwCompStrLen) {
LPGUIDELINE lpGuideLine;
UpdCompWndShowGuideLine:
lpGuideLine = (LPGUIDELINE)ImmLockIMCC(lpIMC->hGuideLine);
if (lpGuideLine) {
BOOL fReverseConversion;
LPCANDIDATELIST lpCandList;
LPTSTR lpStr;
UINT uStrLen;
fReverseConversion = FALSE;
if (lpGuideLine->dwLevel != GL_LEVEL_INFORMATION) {
goto UpdCompWndUnlockGuideLine;
} else if (lpGuideLine->dwIndex != GL_ID_REVERSECONVERSION) {
goto UpdCompWndUnlockGuideLine;
} else {
}
lpCandList = (LPCANDIDATELIST)((LPBYTE)lpGuideLine +
lpGuideLine->dwPrivateOffset);
if (!lpCandList) {
goto UpdCompWndUnlockGuideLine;
} else if (!lpCandList->dwCount) {
goto UpdCompWndUnlockGuideLine;
} else {
fReverseConversion = TRUE;
}
// green text for information
SetTextColor(hDC, RGB(0x00, 0x80, 0x00));
lpStr = (LPTSTR)((LPBYTE)lpCandList + lpCandList->dwOffset[0]);
uStrLen = lstrlen(lpStr);
ExtTextOut(hDC, lpImeL->rcCompText.left, lpImeL->rcCompText.top,
ETO_OPAQUE, &lpImeL->rcCompText,
lpStr, uStrLen, iDx);
UpdCompWndUnlockGuideLine:
ImmUnlockIMCC(lpIMC->hGuideLine);
if (!fReverseConversion) {
goto UpdCompWndNoString;
}
} else {
UpdCompWndNoString:
// no any information
ExtTextOut(hDC, lpImeL->rcCompText.left, lpImeL->rcCompText.top,
ETO_OPAQUE, &lpImeL->rcCompText,
(LPTSTR)NULL, 0, NULL);
}
} else {
ExtTextOut(hDC, lpImeL->rcCompText.left, lpImeL->rcCompText.top,
ETO_OPAQUE, &lpImeL->rcCompText,
(LPTSTR)((LPBYTE)lpCompStr + lpCompStr->dwCompStrOffset),
(UINT)lpCompStr->dwCompStrLen, iDx);
if (lpCompStr->dwCompStrLen <= lpCompStr->dwCursorPos) {
goto UpdCompWndUnselectObj;
}
// there is error part
// red text for error
SetTextColor(hDC, RGB(0xFF, 0x00, 0x00));
// dark gray background for error
SetBkColor(hDC, RGB(0x80, 0x80, 0x80));
ExtTextOut(hDC, lpImeL->rcCompText.left +
lpCompStr->dwCursorPos * sImeG.xChiCharWi /
(sizeof(WCHAR) / sizeof(TCHAR)),
lpImeL->rcCompText.top,
ETO_OPAQUE, NULL,
(LPTSTR)((LPBYTE)lpCompStr + lpCompStr->dwCompStrOffset +
lpCompStr->dwCursorPos * sizeof(TCHAR)),
(UINT)(lpCompStr->dwCompStrLen - lpCompStr->dwCursorPos), iDx);
}
UpdCompWndUnselectObj:
if (sImeG.fDiffSysCharSet) {
DeleteObject(SelectObject(hDC, hOldFont));
}
if (lpCompStr) {
ImmUnlockIMCC(lpIMC->hCompStr);
}
ImmUnlockIMC(hIMC);
#if 0
rcSunken = lpImeL->rcCompText;
rcSunken.left -= lpImeL->cxCompBorder;
rcSunken.top -= lpImeL->cyCompBorder;
rcSunken.right += lpImeL->cxCompBorder;
rcSunken.bottom += lpImeL->cyCompBorder;
DrawEdge(hDC, &rcSunken, BDR_SUNKENOUTER, BF_RECT);
#endif
return;
}
/**********************************************************************/
/* CompWndProc() / UniCompWndProc() */
/**********************************************************************/
// composition window proc
LRESULT CALLBACK CompWndProc(
HWND hCompWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
switch (uMsg) {
case WM_DESTROY:
DestroyCompWindow(hCompWnd);
break;
case WM_SETCURSOR:
CompSetCursor(hCompWnd, lParam);
break;
case WM_MOUSEMOVE:
if (GetWindowLong(hCompWnd, UI_MOVE_OFFSET) != WINDOW_NOT_DRAG) {
POINT ptCursor;
DrawDragBorder(hCompWnd,
GetWindowLong(hCompWnd, UI_MOVE_XY),
GetWindowLong(hCompWnd, UI_MOVE_OFFSET));
GetCursorPos(&ptCursor);
SetWindowLong(hCompWnd, UI_MOVE_XY,
MAKELONG(ptCursor.x, ptCursor.y));
DrawDragBorder(hCompWnd, MAKELONG(ptCursor.x, ptCursor.y),
GetWindowLong(hCompWnd, UI_MOVE_OFFSET));
} else {
return DefWindowProc(hCompWnd, uMsg, wParam, lParam);
}
break;
case WM_LBUTTONUP:
if (!CompButtonUp(
hCompWnd)) {
return DefWindowProc(hCompWnd, uMsg, wParam, lParam);
}
break;
case WM_IME_NOTIFY:
if (wParam != IMN_SETCOMPOSITIONWINDOW) {
/*
} else if (lpImeL->fdwModeConfig & MODE_CONFIG_OFF_CARET_UI) {
*/
} else {
SetCompWindow(
hCompWnd);
}
break;
case WM_PAINT:
{
HDC hDC;
PAINTSTRUCT ps;
hDC = BeginPaint(hCompWnd, &ps);
PaintCompWindow(
GetWindow(hCompWnd, GW_OWNER), hDC);
EndPaint(hCompWnd, &ps);
}
break;
case WM_MOUSEACTIVATE:
return (MA_NOACTIVATE);
default:
return DefWindowProc(hCompWnd, uMsg, wParam, lParam);
}
return (0L);
}
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