601 lines
18 KiB
C
601 lines
18 KiB
C
/*
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* Functions for further XIM control
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*
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* Copyright 2003 CodeWeavers, Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "wingdi.h"
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#include "winnls.h"
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#include "x11drv.h"
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#include "imm.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(xim);
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#ifndef HAVE_XICCALLBACK_CALLBACK
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#define XICCallback XIMCallback
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#define XICProc XIMProc
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#endif
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BOOL ximInComposeMode=FALSE;
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/* moved here from imm32 for dll separation */
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static DWORD dwCompStringLength = 0;
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static LPBYTE CompositionString = NULL;
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static DWORD dwCompStringSize = 0;
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#define STYLE_OFFTHESPOT (XIMPreeditArea | XIMStatusArea)
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#define STYLE_OVERTHESPOT (XIMPreeditPosition | XIMStatusNothing)
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#define STYLE_ROOT (XIMPreeditNothing | XIMStatusNothing)
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/* this uses all the callbacks to utilize full IME support */
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#define STYLE_CALLBACK (XIMPreeditCallbacks | XIMStatusNothing)
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/* in order to enable deadkey support */
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#define STYLE_NONE (XIMPreeditNothing | XIMStatusNothing)
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static XIMStyle ximStyle = 0;
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static XIMStyle ximStyleRoot = 0;
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static XIMStyle ximStyleRequest = STYLE_CALLBACK;
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static void X11DRV_ImmSetInternalString(DWORD dwOffset,
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DWORD selLength, LPWSTR lpComp, DWORD dwCompLen)
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{
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/* Composition strings are edited in chunks */
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unsigned int byte_length = dwCompLen * sizeof(WCHAR);
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unsigned int byte_offset = dwOffset * sizeof(WCHAR);
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unsigned int byte_selection = selLength * sizeof(WCHAR);
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int byte_expansion = byte_length - byte_selection;
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LPBYTE ptr_new;
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TRACE("( %i, %i, %p, %d):\n", dwOffset, selLength, lpComp, dwCompLen );
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if (byte_expansion + dwCompStringLength >= dwCompStringSize)
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{
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if (CompositionString)
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ptr_new = HeapReAlloc(GetProcessHeap(), 0, CompositionString,
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dwCompStringSize + byte_expansion);
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else
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ptr_new = HeapAlloc(GetProcessHeap(), 0,
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dwCompStringSize + byte_expansion);
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if (ptr_new == NULL)
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{
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ERR("Couldn't expand composition string buffer\n");
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return;
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}
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CompositionString = ptr_new;
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dwCompStringSize += byte_expansion;
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}
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ptr_new = CompositionString + byte_offset;
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memmove(ptr_new + byte_length, ptr_new + byte_selection,
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dwCompStringLength - byte_offset - byte_selection);
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if (lpComp) memcpy(ptr_new, lpComp, byte_length);
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dwCompStringLength += byte_expansion;
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IME_SetCompositionString(SCS_SETSTR, CompositionString,
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dwCompStringLength, NULL, 0);
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}
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void X11DRV_XIMLookupChars( const char *str, DWORD count )
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{
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DWORD dwOutput;
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WCHAR *wcOutput;
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HWND focus;
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TRACE("%p %u\n", str, count);
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dwOutput = MultiByteToWideChar(CP_UNIXCP, 0, str, count, NULL, 0);
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wcOutput = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * dwOutput);
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if (wcOutput == NULL)
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return;
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MultiByteToWideChar(CP_UNIXCP, 0, str, count, wcOutput, dwOutput);
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if ((focus = GetFocus()))
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IME_UpdateAssociation(focus);
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IME_SetResultString(wcOutput, dwOutput);
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HeapFree(GetProcessHeap(), 0, wcOutput);
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}
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static BOOL XIMPreEditStateNotifyCallback(XIC xic, XPointer p, XPointer data)
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{
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const struct x11drv_win_data * const win_data = (struct x11drv_win_data *)p;
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const XIMPreeditState state = ((XIMPreeditStateNotifyCallbackStruct *)data)->state;
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TRACE("xic = %p, win = %lx, state = %lu\n", xic, win_data->whole_window, state);
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switch (state)
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{
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case XIMPreeditEnable:
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IME_SetOpenStatus(TRUE);
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break;
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case XIMPreeditDisable:
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IME_SetOpenStatus(FALSE);
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break;
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default:
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break;
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}
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return TRUE;
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}
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static int XIMPreEditStartCallback(XIC ic, XPointer client_data, XPointer call_data)
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{
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TRACE("PreEditStartCallback %p\n",ic);
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IME_SetCompositionStatus(TRUE);
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ximInComposeMode = TRUE;
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return -1;
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}
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static void XIMPreEditDoneCallback(XIC ic, XPointer client_data, XPointer call_data)
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{
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TRACE("PreeditDoneCallback %p\n",ic);
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ximInComposeMode = FALSE;
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if (dwCompStringSize)
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HeapFree(GetProcessHeap(), 0, CompositionString);
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dwCompStringSize = 0;
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dwCompStringLength = 0;
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CompositionString = NULL;
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IME_SetCompositionStatus(FALSE);
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}
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static void XIMPreEditDrawCallback(XIM ic, XPointer client_data,
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XIMPreeditDrawCallbackStruct *P_DR)
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{
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TRACE("PreEditDrawCallback %p\n",ic);
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if (P_DR)
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{
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int sel = P_DR->chg_first;
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int len = P_DR->chg_length;
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if (P_DR->text)
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{
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if (! P_DR->text->encoding_is_wchar)
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{
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DWORD dwOutput;
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WCHAR *wcOutput;
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TRACE("multibyte\n");
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dwOutput = MultiByteToWideChar(CP_UNIXCP, 0,
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P_DR->text->string.multi_byte, -1,
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NULL, 0);
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wcOutput = HeapAlloc(GetProcessHeap(), 0, sizeof (WCHAR) * dwOutput);
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if (wcOutput)
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{
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dwOutput = MultiByteToWideChar(CP_UNIXCP, 0,
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P_DR->text->string.multi_byte, -1,
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wcOutput, dwOutput);
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/* ignore null */
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dwOutput --;
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X11DRV_ImmSetInternalString (sel, len, wcOutput, dwOutput);
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HeapFree(GetProcessHeap(), 0, wcOutput);
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}
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}
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else
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{
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FIXME("wchar PROBIBILY WRONG\n");
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X11DRV_ImmSetInternalString (sel, len,
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(LPWSTR)P_DR->text->string.wide_char,
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P_DR->text->length);
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}
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}
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else
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X11DRV_ImmSetInternalString (sel, len, NULL, 0);
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IME_SetCursorPos(P_DR->caret);
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}
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TRACE("Finished\n");
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}
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static void XIMPreEditCaretCallback(XIC ic, XPointer client_data,
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XIMPreeditCaretCallbackStruct *P_C)
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{
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TRACE("PreeditCaretCallback %p\n",ic);
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if (P_C)
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{
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int pos = IME_GetCursorPos();
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TRACE("pos: %d\n", pos);
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switch(P_C->direction)
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{
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case XIMForwardChar:
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case XIMForwardWord:
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pos++;
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break;
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case XIMBackwardChar:
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case XIMBackwardWord:
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pos--;
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break;
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case XIMLineStart:
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pos = 0;
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break;
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case XIMAbsolutePosition:
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pos = P_C->position;
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break;
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case XIMDontChange:
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P_C->position = pos;
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return;
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case XIMCaretUp:
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case XIMCaretDown:
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case XIMPreviousLine:
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case XIMNextLine:
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case XIMLineEnd:
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FIXME("Not implemented\n");
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break;
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}
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IME_SetCursorPos(pos);
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P_C->position = pos;
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}
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TRACE("Finished\n");
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}
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void X11DRV_ForceXIMReset(HWND hwnd)
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{
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XIC ic = X11DRV_get_ic(hwnd);
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if (ic)
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{
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char* leftover;
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TRACE("Forcing Reset %p\n",ic);
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leftover = XmbResetIC(ic);
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XFree(leftover);
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}
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}
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void X11DRV_SetPreeditState(HWND hwnd, BOOL fOpen)
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{
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XIC ic;
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XIMPreeditState state;
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XVaNestedList attr;
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ic = X11DRV_get_ic(hwnd);
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if (!ic)
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return;
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if (fOpen)
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state = XIMPreeditEnable;
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else
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state = XIMPreeditDisable;
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attr = XVaCreateNestedList(0, XNPreeditState, state, NULL);
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if (attr != NULL)
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{
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XSetICValues(ic, XNPreeditAttributes, attr, NULL);
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XFree(attr);
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}
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}
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/***********************************************************************
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* X11DRV_InitXIM
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*
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* Process-wide XIM initialization.
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*/
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BOOL X11DRV_InitXIM( const char *input_style )
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{
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if (!strcasecmp(input_style, "offthespot"))
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ximStyleRequest = STYLE_OFFTHESPOT;
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else if (!strcasecmp(input_style, "overthespot"))
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ximStyleRequest = STYLE_OVERTHESPOT;
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else if (!strcasecmp(input_style, "root"))
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ximStyleRequest = STYLE_ROOT;
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if (!XSupportsLocale())
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{
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WARN("X does not support locale.\n");
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return FALSE;
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}
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if (XSetLocaleModifiers("") == NULL)
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{
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WARN("Could not set locale modifiers.\n");
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return FALSE;
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}
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return TRUE;
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}
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static void open_xim_callback( Display *display, XPointer ptr, XPointer data );
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static void X11DRV_DestroyIM(XIM xim, XPointer p, XPointer data)
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{
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struct x11drv_thread_data *thread_data = x11drv_thread_data();
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TRACE("xim = %p, p = %p\n", xim, p);
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thread_data->xim = NULL;
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ximStyle = 0;
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XRegisterIMInstantiateCallback( thread_data->display, NULL, NULL, NULL, open_xim_callback, NULL );
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}
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/***********************************************************************
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* X11DRV Ime creation
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*
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* Should always be called with the x11 lock held
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*/
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static BOOL open_xim( Display *display )
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{
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struct x11drv_thread_data *thread_data = x11drv_thread_data();
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XIMStyle ximStyleCallback, ximStyleNone;
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XIMStyles *ximStyles = NULL;
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INT i;
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XIM xim;
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XIMCallback destroy;
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xim = XOpenIM(display, NULL, NULL, NULL);
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if (xim == NULL)
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{
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WARN("Could not open input method.\n");
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return FALSE;
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}
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destroy.client_data = NULL;
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destroy.callback = X11DRV_DestroyIM;
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if (XSetIMValues(xim, XNDestroyCallback, &destroy, NULL))
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{
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WARN("Could not set destroy callback.\n");
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}
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TRACE("xim = %p\n", xim);
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TRACE("X display of IM = %p\n", XDisplayOfIM(xim));
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TRACE("Using %s locale of Input Method\n", XLocaleOfIM(xim));
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XGetIMValues(xim, XNQueryInputStyle, &ximStyles, NULL);
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if (ximStyles == 0)
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{
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WARN("Could not find supported input style.\n");
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XCloseIM(xim);
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return FALSE;
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}
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else
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{
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TRACE("ximStyles->count_styles = %d\n", ximStyles->count_styles);
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ximStyleRoot = 0;
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ximStyleNone = 0;
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ximStyleCallback = 0;
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for (i = 0; i < ximStyles->count_styles; ++i)
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{
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int style = ximStyles->supported_styles[i];
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TRACE("ximStyles[%d] = %s%s%s%s%s\n", i,
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(style&XIMPreeditArea)?"XIMPreeditArea ":"",
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(style&XIMPreeditCallbacks)?"XIMPreeditCallbacks ":"",
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(style&XIMPreeditPosition)?"XIMPreeditPosition ":"",
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(style&XIMPreeditNothing)?"XIMPreeditNothing ":"",
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(style&XIMPreeditNone)?"XIMPreeditNone ":"");
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if (!ximStyle && (ximStyles->supported_styles[i] ==
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ximStyleRequest))
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{
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ximStyle = ximStyleRequest;
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TRACE("Setting Style: ximStyle = ximStyleRequest\n");
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}
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else if (!ximStyleRoot &&(ximStyles->supported_styles[i] ==
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STYLE_ROOT))
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{
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ximStyleRoot = STYLE_ROOT;
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TRACE("Setting Style: ximStyleRoot = STYLE_ROOT\n");
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}
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else if (!ximStyleCallback &&(ximStyles->supported_styles[i] ==
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STYLE_CALLBACK))
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{
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ximStyleCallback = STYLE_CALLBACK;
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TRACE("Setting Style: ximStyleCallback = STYLE_CALLBACK\n");
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}
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else if (!ximStyleNone && (ximStyles->supported_styles[i] ==
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STYLE_NONE))
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{
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TRACE("Setting Style: ximStyleNone = STYLE_NONE\n");
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ximStyleNone = STYLE_NONE;
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}
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}
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XFree(ximStyles);
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if (ximStyle == 0)
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ximStyle = ximStyleRoot;
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if (ximStyle == 0)
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ximStyle = ximStyleNone;
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if (ximStyleCallback == 0)
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{
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TRACE("No callback style available\n");
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ximStyleCallback = ximStyle;
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}
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}
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thread_data->xim = xim;
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if ((ximStyle & (XIMPreeditNothing | XIMPreeditNone)) == 0 ||
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(ximStyle & (XIMStatusNothing | XIMStatusNone)) == 0)
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{
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char **list;
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int count;
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thread_data->font_set = XCreateFontSet(display, "fixed",
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&list, &count, NULL);
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TRACE("ximFontSet = %p\n", thread_data->font_set);
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TRACE("list = %p, count = %d\n", list, count);
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if (list != NULL)
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{
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int i;
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for (i = 0; i < count; ++i)
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TRACE("list[%d] = %s\n", i, list[i]);
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XFreeStringList(list);
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}
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}
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else
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thread_data->font_set = NULL;
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IME_UpdateAssociation(NULL);
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return TRUE;
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}
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static void open_xim_callback( Display *display, XPointer ptr, XPointer data )
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{
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if (open_xim( display ))
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XUnregisterIMInstantiateCallback( display, NULL, NULL, NULL, open_xim_callback, NULL);
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}
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void X11DRV_SetupXIM(void)
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{
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Display *display = thread_display();
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if (!open_xim( display ))
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XRegisterIMInstantiateCallback( display, NULL, NULL, NULL, open_xim_callback, NULL );
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}
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static BOOL X11DRV_DestroyIC(XIC xic, XPointer p, XPointer data)
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{
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struct x11drv_win_data *win_data = (struct x11drv_win_data *)p;
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TRACE("xic = %p, win = %lx\n", xic, win_data->whole_window);
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win_data->xic = NULL;
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return TRUE;
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}
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XIC X11DRV_CreateIC(XIM xim, struct x11drv_win_data *data)
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{
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XPoint spot = {0};
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XVaNestedList preedit = NULL;
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XVaNestedList status = NULL;
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XIC xic;
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XICCallback destroy = {(XPointer)data, X11DRV_DestroyIC};
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XICCallback P_StateNotifyCB, P_StartCB, P_DoneCB, P_DrawCB, P_CaretCB;
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LANGID langid = PRIMARYLANGID(LANGIDFROMLCID(GetThreadLocale()));
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Window win = data->whole_window;
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XFontSet fontSet = x11drv_thread_data()->font_set;
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TRACE("xim = %p\n", xim);
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/* use complex and slow XIC initialization method only for CJK */
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if (langid != LANG_CHINESE &&
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langid != LANG_JAPANESE &&
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langid != LANG_KOREAN)
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{
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xic = XCreateIC(xim,
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XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
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XNClientWindow, win,
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XNFocusWindow, win,
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XNDestroyCallback, &destroy,
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NULL);
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data->xic = xic;
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return xic;
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}
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/* create callbacks */
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P_StateNotifyCB.client_data = (XPointer)data;
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P_StartCB.client_data = NULL;
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P_DoneCB.client_data = NULL;
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P_DrawCB.client_data = NULL;
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P_CaretCB.client_data = NULL;
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P_StateNotifyCB.callback = XIMPreEditStateNotifyCallback;
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P_StartCB.callback = XIMPreEditStartCallback;
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P_DoneCB.callback = (XICProc)XIMPreEditDoneCallback;
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P_DrawCB.callback = (XICProc)XIMPreEditDrawCallback;
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P_CaretCB.callback = (XICProc)XIMPreEditCaretCallback;
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if ((ximStyle & (XIMPreeditNothing | XIMPreeditNone)) == 0)
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{
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preedit = XVaCreateNestedList(0,
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XNFontSet, fontSet,
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XNSpotLocation, &spot,
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XNPreeditStateNotifyCallback, &P_StateNotifyCB,
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XNPreeditStartCallback, &P_StartCB,
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XNPreeditDoneCallback, &P_DoneCB,
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|
XNPreeditDrawCallback, &P_DrawCB,
|
|
XNPreeditCaretCallback, &P_CaretCB,
|
|
NULL);
|
|
TRACE("preedit = %p\n", preedit);
|
|
}
|
|
else
|
|
{
|
|
preedit = XVaCreateNestedList(0,
|
|
XNPreeditStateNotifyCallback, &P_StateNotifyCB,
|
|
XNPreeditStartCallback, &P_StartCB,
|
|
XNPreeditDoneCallback, &P_DoneCB,
|
|
XNPreeditDrawCallback, &P_DrawCB,
|
|
XNPreeditCaretCallback, &P_CaretCB,
|
|
NULL);
|
|
|
|
TRACE("preedit = %p\n", preedit);
|
|
}
|
|
|
|
if ((ximStyle & (XIMStatusNothing | XIMStatusNone)) == 0)
|
|
{
|
|
status = XVaCreateNestedList(0,
|
|
XNFontSet, fontSet,
|
|
NULL);
|
|
TRACE("status = %p\n", status);
|
|
}
|
|
|
|
if (preedit != NULL && status != NULL)
|
|
{
|
|
xic = XCreateIC(xim,
|
|
XNInputStyle, ximStyle,
|
|
XNPreeditAttributes, preedit,
|
|
XNStatusAttributes, status,
|
|
XNClientWindow, win,
|
|
XNFocusWindow, win,
|
|
XNDestroyCallback, &destroy,
|
|
NULL);
|
|
}
|
|
else if (preedit != NULL)
|
|
{
|
|
xic = XCreateIC(xim,
|
|
XNInputStyle, ximStyle,
|
|
XNPreeditAttributes, preedit,
|
|
XNClientWindow, win,
|
|
XNFocusWindow, win,
|
|
XNDestroyCallback, &destroy,
|
|
NULL);
|
|
}
|
|
else if (status != NULL)
|
|
{
|
|
xic = XCreateIC(xim,
|
|
XNInputStyle, ximStyle,
|
|
XNStatusAttributes, status,
|
|
XNClientWindow, win,
|
|
XNFocusWindow, win,
|
|
XNDestroyCallback, &destroy,
|
|
NULL);
|
|
}
|
|
else
|
|
{
|
|
xic = XCreateIC(xim,
|
|
XNInputStyle, ximStyle,
|
|
XNClientWindow, win,
|
|
XNFocusWindow, win,
|
|
XNDestroyCallback, &destroy,
|
|
NULL);
|
|
}
|
|
|
|
TRACE("xic = %p\n", xic);
|
|
data->xic = xic;
|
|
|
|
if (preedit != NULL)
|
|
XFree(preedit);
|
|
if (status != NULL)
|
|
XFree(status);
|
|
|
|
return xic;
|
|
}
|