richedit: Move implementation of WM_CHAR to its own function.
This commit is contained in:
Dylan Smith
Alexandre Julliard
parent
e5f5dc60a7
commit
c87ca3d9e8
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@ -2245,6 +2245,172 @@ ME_KeyDown(ME_TextEditor *editor, WORD nKey)
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return FALSE;
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}
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static LRESULT ME_Char(ME_TextEditor *editor, WPARAM charCode,
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LPARAM flags, BOOL unicode)
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{
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WCHAR wstr;
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if (unicode)
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wstr = (WCHAR)charCode;
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else
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{
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CHAR charA = charCode;
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MultiByteToWideChar(CP_ACP, 0, &charA, 1, &wstr, 1);
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}
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if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY) {
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MessageBeep(MB_ICONERROR);
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return 0; /* FIXME really 0 ? */
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}
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if (((unsigned)wstr)>=' '
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|| (wstr=='\r' && (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_MULTILINE))
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|| wstr=='\t') {
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ME_Cursor cursor = editor->pCursors[0];
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ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
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int from, to;
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BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000;
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ME_GetSelection(editor, &from, &to);
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if (wstr=='\t'
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/* v4.1 allows tabs to be inserted with ctrl key down */
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&& !(ctrl_is_down && !editor->bEmulateVersion10)
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)
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{
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ME_DisplayItem *para;
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BOOL bSelectedRow = FALSE;
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para = ME_GetParagraph(cursor.pRun);
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if (ME_IsSelection(editor) &&
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cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
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to == ME_GetCursorOfs(editor, 0) &&
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para->member.para.prev_para->type == diParagraph)
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{
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para = para->member.para.prev_para;
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bSelectedRow = TRUE;
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}
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if (ME_IsInTable(para))
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{
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ME_TabPressedInTable(editor, bSelectedRow);
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ME_CommitUndo(editor);
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return 0;
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}
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} else if (!editor->bEmulateVersion10) { /* v4.1 */
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if (para->member.para.nFlags & MEPF_ROWEND) {
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if (wstr=='\r') {
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/* Add a new table row after this row. */
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para = ME_AppendTableRow(editor, para);
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para = para->member.para.next_para;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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ME_CommitUndo(editor);
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ME_CheckTablesForCorruption(editor);
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ME_UpdateRepaint(editor);
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return 0;
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} else if (from == to) {
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para = para->member.para.next_para;
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if (para->member.para.nFlags & MEPF_ROWSTART)
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para = para->member.para.next_para;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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}
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}
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else if (para == ME_GetParagraph(editor->pCursors[1].pRun) &&
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cursor.nOffset + cursor.pRun->member.run.nCharOfs == 0 &&
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para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART &&
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!para->member.para.prev_para->member.para.nCharOfs)
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{
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/* Insert a newline before the table. */
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WCHAR endl = '\r';
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para = para->member.para.prev_para;
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para->member.para.nFlags &= ~MEPF_ROWSTART;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[1] = editor->pCursors[0];
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ME_InsertTextFromCursor(editor, 0, &endl, 1,
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editor->pCursors[0].pRun->member.run.style);
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para = editor->pBuffer->pFirst->member.para.next_para;
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ME_SetDefaultParaFormat(para->member.para.pFmt);
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para->member.para.nFlags = MEPF_REWRAP;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[1] = editor->pCursors[0];
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para->member.para.next_para->member.para.nFlags |= MEPF_ROWSTART;
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ME_CommitCoalescingUndo(editor);
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ME_CheckTablesForCorruption(editor);
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ME_UpdateRepaint(editor);
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return 0;
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}
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} else { /* v1.0 - 3.0 */
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ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
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if (ME_IsInTable(cursor.pRun))
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{
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if (cursor.pRun->member.run.nFlags & MERF_ENDPARA)
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{
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if (from == to) {
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if (wstr=='\r') {
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ME_ContinueCoalescingTransaction(editor);
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para = ME_AppendTableRow(editor, para);
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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ME_CommitCoalescingUndo(editor);
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ME_UpdateRepaint(editor);
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} else {
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/* Text should not be inserted at the end of the table. */
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MessageBeep(-1);
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}
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return 0;
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}
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} else if (wstr == '\r') {
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ME_ContinueCoalescingTransaction(editor);
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if (cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
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!ME_IsInTable(para->member.para.prev_para))
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{
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/* Insert newline before table */
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WCHAR endl = '\r';
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cursor.pRun = ME_FindItemBack(para, diRun);
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if (cursor.pRun)
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editor->pCursors[0].pRun = cursor.pRun;
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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ME_InsertTextFromCursor(editor, 0, &endl, 1,
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editor->pCursors[0].pRun->member.run.style);
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} else {
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editor->pCursors[1] = editor->pCursors[0];
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para = ME_AppendTableRow(editor, para);
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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}
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ME_CommitCoalescingUndo(editor);
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ME_UpdateRepaint(editor);
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return 0;
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}
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}
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}
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/* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */
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/* WM_CHAR is restricted to nTextLimit */
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if(editor->nTextLimit > ME_GetTextLength(editor) - (to-from))
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{
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ME_Style *style = ME_GetInsertStyle(editor, 0);
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ME_SaveTempStyle(editor);
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ME_ContinueCoalescingTransaction(editor);
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if (wstr == '\r' && (GetKeyState(VK_SHIFT) & 0x8000))
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ME_InsertEndRowFromCursor(editor, 0);
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else
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ME_InsertTextFromCursor(editor, 0, &wstr, 1, style);
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ME_ReleaseStyle(style);
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ME_CommitCoalescingUndo(editor);
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SetCursor(NULL);
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}
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if (editor->AutoURLDetect_bEnable) ME_UpdateSelectionLinkAttribute(editor);
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ME_UpdateRepaint(editor);
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}
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return 0;
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}
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/* Process the message and calculate the new click count.
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*
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* returns: The click count if it is mouse down event, else returns 0. */
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@ -3693,170 +3859,8 @@ static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
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if (ME_KeyDown(editor, LOWORD(wParam)))
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return 0;
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goto do_default;
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case WM_CHAR:
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{
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WCHAR wstr;
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if (unicode)
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wstr = (WCHAR)wParam;
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else
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{
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CHAR charA = wParam;
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MultiByteToWideChar(CP_ACP, 0, &charA, 1, &wstr, 1);
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}
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if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY) {
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MessageBeep(MB_ICONERROR);
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return 0; /* FIXME really 0 ? */
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}
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if (((unsigned)wstr)>=' '
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|| (wstr=='\r' && (GetWindowLongW(hWnd, GWL_STYLE) & ES_MULTILINE))
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|| wstr=='\t') {
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ME_Cursor cursor = editor->pCursors[0];
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ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
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int from, to;
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BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000;
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ME_GetSelection(editor, &from, &to);
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if (wstr=='\t'
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/* v4.1 allows tabs to be inserted with ctrl key down */
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&& !(ctrl_is_down && !editor->bEmulateVersion10)
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)
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{
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ME_DisplayItem *para;
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BOOL bSelectedRow = FALSE;
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para = ME_GetParagraph(cursor.pRun);
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if (ME_IsSelection(editor) &&
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cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
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to == ME_GetCursorOfs(editor, 0) &&
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para->member.para.prev_para->type == diParagraph)
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{
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para = para->member.para.prev_para;
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bSelectedRow = TRUE;
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}
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if (ME_IsInTable(para))
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{
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ME_TabPressedInTable(editor, bSelectedRow);
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ME_CommitUndo(editor);
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return 0;
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}
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} else if (!editor->bEmulateVersion10) { /* v4.1 */
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if (para->member.para.nFlags & MEPF_ROWEND) {
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if (wstr=='\r') {
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/* Add a new table row after this row. */
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para = ME_AppendTableRow(editor, para);
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para = para->member.para.next_para;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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ME_CommitUndo(editor);
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ME_CheckTablesForCorruption(editor);
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ME_UpdateRepaint(editor);
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return 0;
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} else if (from == to) {
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para = para->member.para.next_para;
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if (para->member.para.nFlags & MEPF_ROWSTART)
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para = para->member.para.next_para;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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}
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}
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else if (para == ME_GetParagraph(editor->pCursors[1].pRun) &&
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cursor.nOffset + cursor.pRun->member.run.nCharOfs == 0 &&
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para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART &&
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!para->member.para.prev_para->member.para.nCharOfs)
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{
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/* Insert a newline before the table. */
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WCHAR endl = '\r';
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para = para->member.para.prev_para;
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para->member.para.nFlags &= ~MEPF_ROWSTART;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[1] = editor->pCursors[0];
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ME_InsertTextFromCursor(editor, 0, &endl, 1,
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editor->pCursors[0].pRun->member.run.style);
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para = editor->pBuffer->pFirst->member.para.next_para;
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ME_SetDefaultParaFormat(para->member.para.pFmt);
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para->member.para.nFlags = MEPF_REWRAP;
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[1] = editor->pCursors[0];
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para->member.para.next_para->member.para.nFlags |= MEPF_ROWSTART;
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ME_CommitCoalescingUndo(editor);
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ME_CheckTablesForCorruption(editor);
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ME_UpdateRepaint(editor);
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return 0;
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}
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} else { /* v1.0 - 3.0 */
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ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
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if (ME_IsInTable(cursor.pRun))
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{
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if (cursor.pRun->member.run.nFlags & MERF_ENDPARA)
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{
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if (from == to) {
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if (wstr=='\r') {
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ME_ContinueCoalescingTransaction(editor);
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para = ME_AppendTableRow(editor, para);
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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ME_CommitCoalescingUndo(editor);
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ME_UpdateRepaint(editor);
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} else {
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/* Text should not be inserted at the end of the table. */
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MessageBeep(-1);
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}
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return 0;
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}
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} else if (wstr == '\r') {
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ME_ContinueCoalescingTransaction(editor);
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if (cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
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!ME_IsInTable(para->member.para.prev_para))
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{
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/* Insert newline before table */
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WCHAR endl = '\r';
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cursor.pRun = ME_FindItemBack(para, diRun);
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if (cursor.pRun)
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editor->pCursors[0].pRun = cursor.pRun;
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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ME_InsertTextFromCursor(editor, 0, &endl, 1,
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editor->pCursors[0].pRun->member.run.style);
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} else {
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editor->pCursors[1] = editor->pCursors[0];
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para = ME_AppendTableRow(editor, para);
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editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
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editor->pCursors[0].nOffset = 0;
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editor->pCursors[1] = editor->pCursors[0];
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}
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ME_CommitCoalescingUndo(editor);
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ME_UpdateRepaint(editor);
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return 0;
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}
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}
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}
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/* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */
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/* WM_CHAR is restricted to nTextLimit */
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if(editor->nTextLimit > ME_GetTextLength(editor) - (to-from))
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{
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ME_Style *style = ME_GetInsertStyle(editor, 0);
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ME_SaveTempStyle(editor);
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ME_ContinueCoalescingTransaction(editor);
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if (wstr == '\r' && (GetKeyState(VK_SHIFT) & 0x8000))
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ME_InsertEndRowFromCursor(editor, 0);
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else
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ME_InsertTextFromCursor(editor, 0, &wstr, 1, style);
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ME_ReleaseStyle(style);
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ME_CommitCoalescingUndo(editor);
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SetCursor(NULL);
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}
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if (editor->AutoURLDetect_bEnable) ME_UpdateSelectionLinkAttribute(editor);
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ME_UpdateRepaint(editor);
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}
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return 0;
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}
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case WM_CHAR:
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return ME_Char(editor, wParam, lParam, unicode);
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case WM_UNICHAR:
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if (unicode)
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{
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@ -3866,10 +3870,11 @@ static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
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if(wParam > 0xffff) /* convert to surrogates */
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{
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wParam -= 0x10000;
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SendMessageW(editor->hWnd, WM_CHAR, (wParam >> 10) + 0xd800, 0);
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SendMessageW(editor->hWnd, WM_CHAR, (wParam & 0x03ff) + 0xdc00, 0);
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ME_Char(editor, (wParam >> 10) + 0xd800, 0, TRUE);
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ME_Char(editor, (wParam & 0x03ff) + 0xdc00, 0, TRUE);
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} else {
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ME_Char(editor, wParam, 0, TRUE);
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}
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else SendMessageW(editor->hWnd, WM_CHAR, wParam, 0);
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}
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return 0;
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}
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