From e467a5309beedf5ea4271d5559983a9718c77f33 Mon Sep 17 00:00:00 2001 From: Phil Krylov Date: Wed, 6 Jul 2005 10:32:59 +0000 Subject: [PATCH] Implemented EM_EXLINEFROMCHAR, EM_LINEINDEX, EM_FINDTEXT, EM_FINDTEXTW, EM_FINDTEXTEX, and EM_FINDTEXTEXW messages. --- dlls/riched20/editor.c | 146 ++++++++++++++++++++++++++++++++++++++--- dlls/riched20/editor.h | 1 + dlls/riched20/row.c | 19 ++++++ 3 files changed, 158 insertions(+), 8 deletions(-) diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c index e08da5ecb0a..3fb2a9aa8b3 100644 --- a/dlls/riched20/editor.c +++ b/dlls/riched20/editor.c @@ -31,10 +31,10 @@ + EM_EMPTYUNDOBUFFER + EM_EXGETSEL - EM_EXLIMITTEXT - - EM_EXLINEFROMCHAR + + EM_EXLINEFROMCHAR + EM_EXSETSEL - - EM_FINDTEXT - - EM_FINDTEXTEX + + EM_FINDTEXT (only FR_DOWN flag implemented) + + EM_FINDTEXTEX (only FR_DOWN flag implemented) - EM_FINDWORDBREAK - EM_FMTLINES - EM_FORMATRANGE @@ -77,7 +77,7 @@ - EM_HIDESELECTION - EM_LIMITTEXT - EM_LINEFROMCHAR - - EM_LINEINDEX + + EM_LINEINDEX - EM_LINELENGTH + EM_LINESCROLL - EM_PASTESPECIAL @@ -218,6 +218,7 @@ */ #include "editor.h" +#include "commdlg.h" #include "ole2.h" #include "richole.h" #include "winreg.h" @@ -651,6 +652,69 @@ ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int } +static int +ME_FindText(ME_TextEditor *editor, DWORD flags, CHARRANGE *chrg, WCHAR *text, CHARRANGE *chrgText) +{ + int nStart = chrg->cpMin; + int nLen = lstrlenW(text); + ME_DisplayItem *item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart); + ME_DisplayItem *para; + + if (!item) + return -1; + + if (!nLen) + { + if (chrgText) + chrgText->cpMin = chrgText->cpMax = chrg->cpMin; + return chrg->cpMin; + } + + if (!(flags & FR_DOWN)) + FIXME("Backward search not implemented\n"); + if (!(flags & FR_MATCHCASE)) + FIXME("Case-insensitive search not implemented\n"); + if (flags & ~(FR_DOWN | FR_MATCHCASE)) + FIXME("Flags 0x%08lx not implemented\n", flags & ~(FR_DOWN | FR_MATCHCASE)); + + para = ME_GetParagraph(item); + while (item && para->member.para.nCharOfs + item->member.run.nCharOfs + nStart + nLen < chrg->cpMax) + { + ME_DisplayItem *pCurItem = item; + int nCurStart = nStart; + int nMatched = 0; + + while (pCurItem->member.run.strText->szData[nCurStart + nMatched] == text[nMatched]) + { + nMatched++; + if (nMatched == nLen) + { + nStart += para->member.para.nCharOfs + item->member.run.nCharOfs; + if (chrgText) + { + chrgText->cpMin = nStart; + chrgText->cpMax = nStart + nLen; + } + return nStart; + } + if (nCurStart + nMatched == ME_StrLen(pCurItem->member.run.strText)) + { + pCurItem = ME_FindItemFwd(pCurItem, diRun); + nCurStart = -nMatched; + } + } + nStart++; + if (nStart == ME_StrLen(item->member.run.strText)) + { + item = ME_FindItemFwd(item, diRun); + para = ME_GetParagraph(item); + nStart = 0; + } + } + return -1; +} + + ME_TextEditor *ME_MakeEditor(HWND hWnd) { ME_TextEditor *ed = ALLOC_OBJ(ME_TextEditor); HDC hDC; @@ -753,6 +817,7 @@ static DWORD CALLBACK ME_ReadFromHGLOBALRTF(DWORD_PTR dwCookie, LPBYTE lpBuff, L return 0; } + void ME_DestroyEditor(ME_TextEditor *editor) { ME_DisplayItem *pFirst = editor->pBuffer->pFirst; @@ -823,9 +888,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP UNSUPPORTED_MSG(EM_CHARFROMPOS) UNSUPPORTED_MSG(EM_DISPLAYBAND) UNSUPPORTED_MSG(EM_EXLIMITTEXT) - UNSUPPORTED_MSG(EM_EXLINEFROMCHAR) - UNSUPPORTED_MSG(EM_FINDTEXT) - UNSUPPORTED_MSG(EM_FINDTEXTEX) UNSUPPORTED_MSG(EM_FINDWORDBREAK) UNSUPPORTED_MSG(EM_FMTLINES) UNSUPPORTED_MSG(EM_FORMATRANGE) @@ -853,7 +915,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP UNSUPPORTED_MSG(EM_HIDESELECTION) UNSUPPORTED_MSG(EM_LIMITTEXT) /* also known as EM_SETLIMITTEXT */ UNSUPPORTED_MSG(EM_LINEFROMCHAR) - UNSUPPORTED_MSG(EM_LINEINDEX) UNSUPPORTED_MSG(EM_LINELENGTH) UNSUPPORTED_MSG(EM_PASTESPECIAL) /* UNSUPPORTED_MSG(EM_POSFROMCHARS) missing in Wine headers */ @@ -1247,6 +1308,75 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP } return max(1, nRows); } + case EM_EXLINEFROMCHAR: + { + ME_DisplayItem *item = editor->pBuffer->pFirst->next; + int nOffset; + int nRow = 0; + + while (item && item->member.para.next_para->member.para.nCharOfs <= lParam) + { + nRow += item->member.para.nRows; + item = ME_FindItemFwd(item, diParagraph); + } + if (item) + { + nOffset = lParam - item->member.para.nCharOfs; + item = ME_FindItemFwd(item, diRun); + while ((item = ME_FindItemFwd(item, diStartRowOrParagraph))) + { + item = ME_FindItemFwd(item, diRun); + if (item->member.run.nCharOfs > nOffset) + break; + nRow++; + } + } + return nRow; + } + case EM_LINEINDEX: + { + ME_DisplayItem *item, *para; + + if (wParam == -1) + item = ME_FindItemBack(editor->pCursors[1].pRun, diStartRow); + else + item = ME_FindRowWithNumber(editor, wParam); + if (!item) + return -1; + para = ME_GetParagraph(item); + item = ME_FindItemFwd(item, diRun); + return para->member.para.nCharOfs + item->member.run.nCharOfs; + } + case EM_FINDTEXT: + { + FINDTEXTA *ft = (FINDTEXTA *)lParam; + int nChars = MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, NULL, 0); + WCHAR *tmp; + + if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL) + MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, tmp, nChars); + return ME_FindText(editor, wParam, &ft->chrg, tmp, NULL); + } + case EM_FINDTEXTEX: + { + FINDTEXTEXA *ex = (FINDTEXTEXA *)lParam; + int nChars = MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, NULL, 0); + WCHAR *tmp; + + if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL) + MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, tmp, nChars); + return ME_FindText(editor, wParam, &ex->chrg, tmp, &ex->chrgText); + } + case EM_FINDTEXTW: + { + FINDTEXTW *ft = (FINDTEXTW *)lParam; + return ME_FindText(editor, wParam, &ft->chrg, ft->lpstrText, NULL); + } + case EM_FINDTEXTEXW: + { + FINDTEXTEXW *ex = (FINDTEXTEXW *)lParam; + return ME_FindText(editor, wParam, &ex->chrg, ex->lpstrText, &ex->chrgText); + } case WM_CREATE: ME_CommitUndo(editor); ME_WrapMarkedParagraphs(editor); diff --git a/dlls/riched20/editor.h b/dlls/riched20/editor.h index a0eab82c3c9..8ea138c58de 100644 --- a/dlls/riched20/editor.h +++ b/dlls/riched20/editor.h @@ -100,6 +100,7 @@ ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos) ME_DisplayItem *ME_RowStart(ME_DisplayItem *item); ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */ +ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow); /* run.c */ ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags); diff --git a/dlls/riched20/row.c b/dlls/riched20/row.c index 1e4e208a97a..061199a0c20 100644 --- a/dlls/riched20/row.c +++ b/dlls/riched20/row.c @@ -82,3 +82,22 @@ ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item) { if (!item2) return NULL; return ME_FindItemBack(item, diRun); } + + +ME_DisplayItem * +ME_FindRowWithNumber(ME_TextEditor *editor, int nRow) +{ + ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph); + int nCount = 0; + + while (item && nCount + item->member.para.nRows <= nRow) + { + nCount += item->member.para.nRows; + item = ME_FindItemFwd(item, diParagraph); + } + if (!item) + return item; + for (item = ME_FindItemFwd(item, diStartRow); item && nCount < nRow; nCount++) + item = ME_FindItemFwd(item, diStartRow); + return item; +}