2 * RichEdit - painting functions
4 * Copyright 2004 by Krzysztof Foltman
5 * Copyright 2005 by Phil Krylov
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
26 static void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph);
28 void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, const RECT *rcUpdate)
35 oldRgn = CreateRectRgn(0, 0, 0, 0);
36 if (!GetClipRgn(hDC, oldRgn))
41 IntersectClipRect(hDC, rcUpdate->left, rcUpdate->top,
42 rcUpdate->right, rcUpdate->bottom);
45 ME_InitContext(&c, editor, hDC);
46 SetBkMode(hDC, TRANSPARENT);
47 ME_MoveCaret(editor); /* Calls ME_WrapMarkedParagraphs */
48 item = editor->pBuffer->pFirst->next;
49 /* This context point is an offset for the paragraph positions stored
50 * during wrapping. It shouldn't be modified during painting. */
51 c.pt.x = c.rcView.left - editor->horz_si.nPos;
52 c.pt.y = c.rcView.top - editor->vert_si.nPos;
53 while(item != editor->pBuffer->pLast)
55 assert(item->type == diParagraph);
57 ys = c.pt.y + item->member.para.pt.y;
58 if (item->member.para.pCell
59 != item->member.para.next_para->member.para.pCell)
62 cell = &ME_FindItemBack(item->member.para.next_para, diCell)->member.cell;
63 ye = c.pt.y + cell->pt.y + cell->nHeight;
65 ye = ys + item->member.para.nHeight;
67 if (item->member.para.pCell && !(item->member.para.nFlags & MEPF_ROWEND) &&
68 item->member.para.pCell != item->member.para.prev_para->member.para.pCell)
70 /* the border shifts the text down */
71 ys -= item->member.para.pCell->member.cell.yTextOffset;
74 if (!bOnlyNew || (item->member.para.nFlags & MEPF_REPAINT))
76 /* Draw the pargraph if any of the paragraph is in the update region. */
77 BOOL bPaint = (rcUpdate == NULL);
79 bPaint = ys < rcUpdate->bottom && ye > rcUpdate->top;
82 ME_DrawParagraph(&c, item);
83 /* Clear the repaint flag if the whole paragraph is in the
85 if (!rcUpdate || (rcUpdate->top <= ys && rcUpdate->bottom >= ye))
86 item->member.para.nFlags &= ~MEPF_REPAINT;
89 item = item->member.para.next_para;
91 if (c.pt.y + editor->nTotalLength < c.rcView.bottom)
93 /* Fill space after the end of the text. */
95 rc.top = c.pt.y + editor->nTotalLength;
96 rc.left = c.rcView.left;
97 rc.bottom = c.rcView.bottom;
98 rc.right = c.rcView.right;
102 /* Only erase region drawn from previous call to ME_PaintContent */
103 if (editor->nTotalLength < editor->nLastTotalLength)
104 rc.bottom = c.pt.y + editor->nLastTotalLength;
109 IntersectRect(&rc, &rc, rcUpdate);
111 if (!IsRectEmpty(&rc))
112 FillRect(hDC, &rc, c.editor->hbrBackground);
114 if (editor->nTotalLength != editor->nLastTotalLength ||
115 editor->nTotalWidth != editor->nLastTotalWidth)
116 ME_SendRequestResize(editor, FALSE);
117 editor->nLastTotalLength = editor->nTotalLength;
118 editor->nLastTotalWidth = editor->nTotalWidth;
119 ME_DestroyContext(&c, NULL);
121 SelectClipRgn(hDC, oldRgn);
123 DeleteObject(oldRgn);
126 void ME_Repaint(ME_TextEditor *editor)
128 if (ME_WrapMarkedParagraphs(editor))
130 ME_UpdateScrollBar(editor);
131 FIXME("ME_Repaint had to call ME_WrapMarkedParagraphs\n");
133 if (!IsWindowVisible(editor->hWnd))
135 if (!editor->bEmulateVersion10 || (editor->nEventMask & ENM_UPDATE))
136 ME_SendOldNotify(editor, EN_UPDATE);
137 UpdateWindow(editor->hWnd);
140 void ME_UpdateRepaint(ME_TextEditor *editor)
142 /* Should be called whenever the contents of the control have changed */
144 BOOL wrappedParagraphs;
146 wrappedParagraphs = ME_WrapMarkedParagraphs(editor);
147 if (wrappedParagraphs)
148 ME_UpdateScrollBar(editor);
150 /* Ensure that the cursor is visible */
151 pCursor = &editor->pCursors[0];
152 ME_EnsureVisible(editor, pCursor);
154 /* send EN_CHANGE if the event mask asks for it */
155 if(editor->nEventMask & ENM_CHANGE)
157 editor->nEventMask &= ~ENM_CHANGE;
158 ME_SendOldNotify(editor, EN_CHANGE);
159 editor->nEventMask |= ENM_CHANGE;
162 ME_SendSelChange(editor);
166 ME_RewrapRepaint(ME_TextEditor *editor)
168 /* RewrapRepaint should be called whenever the control has changed in
169 * looks, but not content. Like resizing. */
171 ME_MarkAllForWrapping(editor);
172 ME_WrapMarkedParagraphs(editor);
173 ME_UpdateScrollBar(editor);
177 int ME_twips2pointsX(ME_Context *c, int x)
179 if (c->editor->nZoomNumerator == 0)
180 return x * c->dpi.cx / 1440;
182 return x * c->dpi.cx * c->editor->nZoomNumerator / 1440 / c->editor->nZoomDenominator;
185 int ME_twips2pointsY(ME_Context *c, int y)
187 if (c->editor->nZoomNumerator == 0)
188 return y * c->dpi.cy / 1440;
190 return y * c->dpi.cy * c->editor->nZoomNumerator / 1440 / c->editor->nZoomDenominator;
193 static void ME_HighlightSpace(ME_Context *c, int x, int y, LPCWSTR szText,
194 int nChars, ME_Style *s, int width,
195 int nSelFrom, int nSelTo, int ymin, int cy)
198 HGDIOBJ hOldFont = NULL;
201 /* Only highlight if there is a selection in the run and when
202 * EM_HIDESELECTION is not being used to hide the selection. */
203 if (nSelFrom >= nChars || nSelTo < 0 || nSelFrom >= nSelTo
204 || c->editor->bHideSelection)
206 hOldFont = ME_SelectStyleFont(c, s);
209 GetTextExtentPoint32W(hDC, szText, nChars, &sz);
212 if (nSelFrom < 0) nSelFrom = 0;
213 if (nSelTo > nChars) nSelTo = nChars;
214 GetTextExtentPoint32W(hDC, szText, nSelFrom, &sz);
216 if (nSelTo != nChars)
218 GetTextExtentPoint32W(hDC, szText+nSelFrom, nSelTo-nSelFrom, &sz);
221 selWidth = width - sz.cx;
223 ME_UnselectStyleFont(c, s, hOldFont);
225 if (c->editor->bEmulateVersion10)
226 PatBlt(hDC, x, ymin, selWidth, cy, DSTINVERT);
233 rect.right = x + selWidth;
234 rect.bottom = ymin + cy;
235 hBrush = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
236 FillRect(hDC, &rect, hBrush);
237 DeleteObject(hBrush);
241 static void ME_DrawTextWithStyle(ME_Context *c, int x, int y, LPCWSTR szText,
242 int nChars, ME_Style *s, int width,
243 int nSelFrom, int nSelTo, int ymin, int cy)
248 int yOffset = 0, yTwipsOffset = 0;
251 HPEN hPen = NULL, hOldPen = NULL;
252 BOOL bHighlightedText = (nSelFrom < nChars && nSelTo >= 0
253 && nSelFrom < nSelTo && !c->editor->bHideSelection);
254 int xSelStart = x, xSelEnd = x;
256 /* lpDx is only needed for tabs to make sure the underline done automatically
257 * by the font extends to the end of the tab. Tabs are always stored as
258 * a single character run, so we can handle this case separately, since
259 * otherwise lpDx would need to specify the lengths of each character. */
260 if (width && nChars == 1)
261 lpDx = &width; /* Make sure underline for tab extends across tab space */
263 hOldFont = ME_SelectStyleFont(c, s);
264 if ((s->fmt.dwMask & s->fmt.dwEffects) & CFM_OFFSET) {
265 yTwipsOffset = s->fmt.yOffset;
267 if ((s->fmt.dwMask & s->fmt.dwEffects) & (CFM_SUPERSCRIPT | CFM_SUBSCRIPT)) {
268 if (s->fmt.dwEffects & CFE_SUPERSCRIPT) yTwipsOffset = s->fmt.yHeight/3;
269 if (s->fmt.dwEffects & CFE_SUBSCRIPT) yTwipsOffset = -s->fmt.yHeight/12;
272 yOffset = ME_twips2pointsY(c, yTwipsOffset);
274 if ((s->fmt.dwMask & CFM_LINK) && (s->fmt.dwEffects & CFE_LINK))
276 else if ((s->fmt.dwMask & CFM_COLOR) && (s->fmt.dwEffects & CFE_AUTOCOLOR))
277 rgb = GetSysColor(COLOR_WINDOWTEXT);
279 rgb = s->fmt.crTextColor;
281 /* Determine the area that is selected in the run. */
282 GetTextExtentPoint32W(hDC, szText, nChars, &sz);
283 /* Treat width as an optional parameter. We can get the width from the
284 * text extent of the string if it isn't specified. */
285 if (!width) width = sz.cx;
286 if (bHighlightedText)
294 GetTextExtentPoint32W(hDC, szText, nSelFrom, &sz);
295 xSelStart = x + sz.cx;
297 if (nSelTo >= nChars)
304 GetTextExtentPoint32W(hDC, szText+nSelFrom, nSelTo-nSelFrom, &sz);
305 xSelEnd = xSelStart + sz.cx;
309 /* Choose the pen type for underlining the text. */
310 if (s->fmt.dwMask & CFM_UNDERLINETYPE)
312 switch (s->fmt.bUnderlineType)
315 case CFU_UNDERLINEWORD: /* native seems to map it to simple underline (MSDN) */
316 case CFU_UNDERLINEDOUBLE: /* native seems to map it to simple underline (MSDN) */
317 hPen = CreatePen(PS_SOLID, 1, rgb);
319 case CFU_UNDERLINEDOTTED:
320 hPen = CreatePen(PS_DOT, 1, rgb);
323 WINE_FIXME("Unknown underline type (%u)\n", s->fmt.bUnderlineType);
325 case CFU_CF1UNDERLINE: /* this type is supported in the font, do nothing */
326 case CFU_UNDERLINENONE:
332 hOldPen = SelectObject(hDC, hPen);
336 rgbOld = SetTextColor(hDC, rgb);
337 if (bHighlightedText && !c->editor->bEmulateVersion10)
341 /* FIXME: should use textmetrics info for Descent info */
343 MoveToEx(hDC, x, y - yOffset + 1, NULL);
346 ExtTextOutW(hDC, x, y-yOffset, 0, NULL, szText, nSelFrom, NULL);
348 LineTo(hDC, xSelStart, y - yOffset + 1);
351 dim.bottom = ymin + cy;
352 dim.left = xSelStart;
354 SetTextColor(hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
355 rgbBackOld = SetBkColor(hDC, GetSysColor(COLOR_HIGHLIGHT));
356 ExtTextOutW(hDC, xSelStart, y-yOffset, ETO_OPAQUE, &dim,
357 szText+nSelFrom, nSelTo-nSelFrom, lpDx);
359 LineTo(hDC, xSelEnd, y - yOffset + 1);
360 SetBkColor(hDC, rgbBackOld);
361 if (xSelEnd < x + width)
363 SetTextColor(hDC, rgb);
364 ExtTextOutW(hDC, xSelEnd, y-yOffset, 0, NULL, szText+nSelTo,
365 nChars-nSelTo, NULL);
367 LineTo(hDC, x + width, y - yOffset + 1);
372 ExtTextOutW(hDC, x, y-yOffset, 0, NULL, szText, nChars, lpDx);
374 /* FIXME: should use textmetrics info for Descent info */
377 MoveToEx(hDC, x, y - yOffset + 1, NULL);
378 LineTo(hDC, x + width, y - yOffset + 1);
381 if (bHighlightedText) /* v1.0 inverts the selection */
383 PatBlt(hDC, xSelStart, ymin, xSelEnd-xSelStart, cy, DSTINVERT);
389 SelectObject(hDC, hOldPen);
392 SetTextColor(hDC, rgbOld);
393 ME_UnselectStyleFont(c, s, hOldFont);
396 static void ME_DebugWrite(HDC hDC, const POINT *pt, LPCWSTR szText) {
397 int align = SetTextAlign(hDC, TA_LEFT|TA_TOP);
398 HGDIOBJ hFont = SelectObject(hDC, GetStockObject(DEFAULT_GUI_FONT));
399 COLORREF color = SetTextColor(hDC, RGB(128,128,128));
400 TextOutW(hDC, pt->x, pt->y, szText, lstrlenW(szText));
401 SelectObject(hDC, hFont);
402 SetTextAlign(hDC, align);
403 SetTextColor(hDC, color);
406 static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Paragraph *para)
408 ME_Run *run = &rundi->member.run;
409 ME_DisplayItem *start;
410 int runofs = run->nCharOfs+para->nCharOfs;
411 int nSelFrom, nSelTo;
412 const WCHAR wszSpace[] = {' ', 0};
414 if (run->nFlags & MERF_HIDDEN)
417 start = ME_FindItemBack(rundi, diStartRow);
418 ME_GetSelection(c->editor, &nSelFrom, &nSelTo);
420 /* Draw selected end-of-paragraph mark */
421 /* you can always comment it out if you need visible paragraph marks */
422 if (run->nFlags & MERF_ENDPARA)
424 if (runofs >= nSelFrom && runofs < nSelTo)
426 ME_HighlightSpace(c, x, y, wszSpace, 1, run->style, 0, 0, 1,
427 c->pt.y + para->pt.y + start->member.row.pt.y,
428 start->member.row.nHeight);
433 if (run->nFlags & (MERF_TAB | MERF_ENDCELL))
435 /* wszSpace is used instead of the tab character because otherwise
436 * an unwanted symbol can be inserted instead. */
437 ME_DrawTextWithStyle(c, x, y, wszSpace, 1, run->style, run->nWidth,
438 nSelFrom-runofs, nSelTo-runofs,
439 c->pt.y + para->pt.y + start->member.row.pt.y,
440 start->member.row.nHeight);
444 if (run->nFlags & MERF_GRAPHICS)
445 ME_DrawOLE(c, x, y, run, para, (runofs >= nSelFrom) && (runofs < nSelTo));
448 if (c->editor->cPasswordMask)
450 ME_String *szMasked = ME_MakeStringR(c->editor->cPasswordMask,ME_StrVLen(run->strText));
451 ME_DrawTextWithStyle(c, x, y,
452 szMasked->szData, ME_StrVLen(szMasked), run->style, run->nWidth,
453 nSelFrom-runofs,nSelTo-runofs,
454 c->pt.y + para->pt.y + start->member.row.pt.y,
455 start->member.row.nHeight);
456 ME_DestroyString(szMasked);
459 ME_DrawTextWithStyle(c, x, y,
460 run->strText->szData, ME_StrVLen(run->strText), run->style, run->nWidth,
461 nSelFrom-runofs,nSelTo-runofs,
462 c->pt.y + para->pt.y + start->member.row.pt.y,
463 start->member.row.nHeight);
467 static const struct {unsigned width_num : 4, width_den : 4, pen_style : 4, dble : 1;} border_details[] = {
468 /* none */ {0, 1, PS_SOLID, FALSE},
469 /* 3/4 */ {3, 4, PS_SOLID, FALSE},
470 /* 1 1/2 */ {3, 2, PS_SOLID, FALSE},
471 /* 2 1/4 */ {9, 4, PS_SOLID, FALSE},
472 /* 3 */ {3, 1, PS_SOLID, FALSE},
473 /* 4 1/2 */ {9, 2, PS_SOLID, FALSE},
474 /* 6 */ {6, 1, PS_SOLID, FALSE},
475 /* 3/4 double */ {3, 4, PS_SOLID, TRUE},
476 /* 1 1/2 double */ {3, 2, PS_SOLID, TRUE},
477 /* 2 1/4 double */ {9, 4, PS_SOLID, TRUE},
478 /* 3/4 gray */ {3, 4, PS_DOT /* FIXME */, FALSE},
479 /* 1 1/2 dashed */ {3, 2, PS_DASH, FALSE},
482 static const COLORREF pen_colors[16] = {
483 /* Black */ RGB(0x00, 0x00, 0x00), /* Blue */ RGB(0x00, 0x00, 0xFF),
484 /* Cyan */ RGB(0x00, 0xFF, 0xFF), /* Green */ RGB(0x00, 0xFF, 0x00),
485 /* Magenta */ RGB(0xFF, 0x00, 0xFF), /* Red */ RGB(0xFF, 0x00, 0x00),
486 /* Yellow */ RGB(0xFF, 0xFF, 0x00), /* White */ RGB(0xFF, 0xFF, 0xFF),
487 /* Dark blue */ RGB(0x00, 0x00, 0x80), /* Dark cyan */ RGB(0x00, 0x80, 0x80),
488 /* Dark green */ RGB(0x00, 0x80, 0x80), /* Dark magenta */ RGB(0x80, 0x00, 0x80),
489 /* Dark red */ RGB(0x80, 0x00, 0x00), /* Dark yellow */ RGB(0x80, 0x80, 0x00),
490 /* Dark gray */ RGB(0x80, 0x80, 0x80), /* Light gray */ RGB(0xc0, 0xc0, 0xc0),
493 static int ME_GetBorderPenWidth(ME_TextEditor* editor, int idx)
497 if (editor->nZoomNumerator == 0)
499 width = border_details[idx].width_num + border_details[idx].width_den / 2;
500 width /= border_details[idx].width_den;
504 width = border_details[idx].width_num * editor->nZoomNumerator;
505 width += border_details[idx].width_den * editor->nZoomNumerator / 2;
506 width /= border_details[idx].width_den * editor->nZoomDenominator;
511 int ME_GetParaBorderWidth(ME_TextEditor* editor, int flags)
513 int idx = (flags >> 8) & 0xF;
516 if (idx >= sizeof(border_details) / sizeof(border_details[0]))
518 FIXME("Unsupported border value %d\n", idx);
521 width = ME_GetBorderPenWidth(editor, idx);
522 if (border_details[idx].dble) width = width * 2 + 1;
526 int ME_GetParaLineSpace(ME_Context* c, ME_Paragraph* para)
529 if (!(para->pFmt->dwMask & PFM_LINESPACING)) return 0;
531 /* FIXME: how to compute simply the line space in ls ??? */
532 /* FIXME: does line spacing include the line itself ??? */
533 switch (para->pFmt->bLineSpacingRule)
535 case 0: sp = ls; break;
536 case 1: sp = (3 * ls) / 2; break;
537 case 2: sp = 2 * ls; break;
538 case 3: sp = ME_twips2pointsY(c, para->pFmt->dyLineSpacing); if (sp < ls) sp = ls; break;
539 case 4: sp = ME_twips2pointsY(c, para->pFmt->dyLineSpacing); break;
540 case 5: sp = para->pFmt->dyLineSpacing / 20; break;
541 default: FIXME("Unsupported spacing rule value %d\n", para->pFmt->bLineSpacingRule);
543 if (c->editor->nZoomNumerator == 0)
546 return sp * c->editor->nZoomNumerator / c->editor->nZoomDenominator;
549 static void ME_DrawParaDecoration(ME_Context* c, ME_Paragraph* para, int y, RECT* bounds)
551 int idx, border_width, top_border, bottom_border;
555 SetRectEmpty(bounds);
556 if (!(para->pFmt->dwMask & (PFM_BORDER | PFM_SPACEBEFORE | PFM_SPACEAFTER))) return;
558 border_width = top_border = bottom_border = 0;
559 idx = (para->pFmt->wBorders >> 8) & 0xF;
560 hasParaBorder = (!(c->editor->bEmulateVersion10 &&
561 para->pFmt->dwMask & PFM_TABLE &&
562 para->pFmt->wEffects & PFE_TABLE) &&
563 (para->pFmt->dwMask & PFM_BORDER) &&
565 (para->pFmt->wBorders & 0xF));
568 /* FIXME: wBorders is not stored as MSDN says in v1.0 - 4.1 of richedit
569 * controls. It actually stores the paragraph or row border style. Although
570 * the value isn't used for drawing, it is used for streaming out rich text.
572 * wBorders stores the border style for each side (top, left, bottom, right)
573 * using nibble (4 bits) to store each border style. The rich text format
574 * control words, and their associated value are the following:
584 * The order of the sides stored actually differs from v1.0 to 3.0 and v4.1.
585 * The mask corresponding to each side for the version are the following:
589 * 0x0F00 bottom right
590 * 0xF000 right bottom
592 if (para->pFmt->wBorders & 0x00B0)
593 FIXME("Unsupported border flags %x\n", para->pFmt->wBorders);
594 border_width = ME_GetParaBorderWidth(c->editor, para->pFmt->wBorders);
595 if (para->pFmt->wBorders & 4) top_border = border_width;
596 if (para->pFmt->wBorders & 8) bottom_border = border_width;
599 if (para->pFmt->dwMask & PFM_SPACEBEFORE)
601 rc.left = c->rcView.left;
602 rc.right = c->rcView.right;
604 bounds->top = ME_twips2pointsY(c, para->pFmt->dySpaceBefore);
605 rc.bottom = y + bounds->top + top_border;
606 FillRect(c->hDC, &rc, c->editor->hbrBackground);
609 if (para->pFmt->dwMask & PFM_SPACEAFTER)
611 rc.left = c->rcView.left;
612 rc.right = c->rcView.right;
613 rc.bottom = y + para->nHeight;
614 bounds->bottom = ME_twips2pointsY(c, para->pFmt->dySpaceAfter);
615 rc.top = rc.bottom - bounds->bottom - bottom_border;
616 FillRect(c->hDC, &rc, c->editor->hbrBackground);
619 /* Native richedit doesn't support paragraph borders in v1.0 - 4.1,
620 * but might support it in later versions. */
622 int pen_width, rightEdge;
624 HPEN pen = NULL, oldpen = NULL;
627 if (para->pFmt->wBorders & 64) /* autocolor */
628 pencr = GetSysColor(COLOR_WINDOWTEXT);
630 pencr = pen_colors[(para->pFmt->wBorders >> 12) & 0xF];
632 rightEdge = c->pt.x + max(c->editor->sizeWindow.cx,
633 c->editor->nTotalWidth);
635 pen_width = ME_GetBorderPenWidth(c->editor, idx);
636 pen = CreatePen(border_details[idx].pen_style, pen_width, pencr);
637 oldpen = SelectObject(c->hDC, pen);
638 MoveToEx(c->hDC, 0, 0, &pt);
640 /* before & after spaces are not included in border */
642 /* helper to draw the double lines in case of corner */
643 #define DD(x) ((para->pFmt->wBorders & (x)) ? (pen_width + 1) : 0)
645 if (para->pFmt->wBorders & 1)
647 MoveToEx(c->hDC, c->pt.x, y + bounds->top, NULL);
648 LineTo(c->hDC, c->pt.x, y + para->nHeight - bounds->bottom);
649 if (border_details[idx].dble) {
650 rc.left = c->pt.x + 1;
651 rc.right = rc.left + border_width;
652 rc.top = y + bounds->top;
653 rc.bottom = y + para->nHeight - bounds->bottom;
654 FillRect(c->hDC, &rc, c->editor->hbrBackground);
655 MoveToEx(c->hDC, c->pt.x + pen_width + 1, y + bounds->top + DD(4), NULL);
656 LineTo(c->hDC, c->pt.x + pen_width + 1, y + para->nHeight - bounds->bottom - DD(8));
658 bounds->left += border_width;
660 if (para->pFmt->wBorders & 2)
662 MoveToEx(c->hDC, rightEdge - 1, y + bounds->top, NULL);
663 LineTo(c->hDC, rightEdge - 1, y + para->nHeight - bounds->bottom);
664 if (border_details[idx].dble) {
665 rc.left = rightEdge - pen_width - 1;
666 rc.right = rc.left + pen_width;
667 rc.top = y + bounds->top;
668 rc.bottom = y + para->nHeight - bounds->bottom;
669 FillRect(c->hDC, &rc, c->editor->hbrBackground);
670 MoveToEx(c->hDC, rightEdge - 1 - pen_width - 1, y + bounds->top + DD(4), NULL);
671 LineTo(c->hDC, rightEdge - 1 - pen_width - 1, y + para->nHeight - bounds->bottom - DD(8));
673 bounds->right += border_width;
675 if (para->pFmt->wBorders & 4)
677 MoveToEx(c->hDC, c->pt.x, y + bounds->top, NULL);
678 LineTo(c->hDC, rightEdge, y + bounds->top);
679 if (border_details[idx].dble) {
680 MoveToEx(c->hDC, c->pt.x + DD(1), y + bounds->top + pen_width + 1, NULL);
681 LineTo(c->hDC, rightEdge - DD(2), y + bounds->top + pen_width + 1);
683 bounds->top += border_width;
685 if (para->pFmt->wBorders & 8)
687 MoveToEx(c->hDC, c->pt.x, y + para->nHeight - bounds->bottom - 1, NULL);
688 LineTo(c->hDC, rightEdge, y + para->nHeight - bounds->bottom - 1);
689 if (border_details[idx].dble) {
690 MoveToEx(c->hDC, c->pt.x + DD(1), y + para->nHeight - bounds->bottom - 1 - pen_width - 1, NULL);
691 LineTo(c->hDC, rightEdge - DD(2), y + para->nHeight - bounds->bottom - 1 - pen_width - 1);
693 bounds->bottom += border_width;
697 MoveToEx(c->hDC, pt.x, pt.y, NULL);
698 SelectObject(c->hDC, oldpen);
703 static void ME_DrawTableBorders(ME_Context *c, ME_DisplayItem *paragraph)
705 ME_Paragraph *para = ¶graph->member.para;
706 if (!c->editor->bEmulateVersion10) /* v4.1 */
711 ME_Cell *cell = ¶->pCell->member.cell;
712 ME_DisplayItem *paraAfterRow;
719 BOOL atTop = (para->pCell != para->prev_para->member.para.pCell);
720 BOOL atBottom = (para->pCell != para->next_para->member.para.pCell);
721 int top = c->pt.y + (atTop ? cell->pt.y : para->pt.y);
722 int bottom = (atBottom ?
723 c->pt.y + cell->pt.y + cell->nHeight :
724 top + para->nHeight + (atTop ? cell->yTextOffset : 0));
725 rc.left = c->pt.x + cell->pt.x;
726 rc.right = rc.left + cell->nWidth;
728 /* Erase gap before text if not all borders are the same height. */
729 width = max(ME_twips2pointsY(c, cell->border.top.width), 1);
730 rc.top = top + width;
731 width = cell->yTextOffset - width;
732 rc.bottom = rc.top + width;
734 FillRect(c->hDC, &rc, c->editor->hbrBackground);
737 /* Draw cell borders.
738 * The order borders are draw in is left, top, bottom, right in order
739 * to be consistent with native richedit. This is noticeable from the
740 * overlap of borders of different colours. */
741 if (!(para->nFlags & MEPF_ROWEND)) {
744 if (cell->border.left.width > 0)
746 color = cell->border.left.colorRef;
747 width = max(ME_twips2pointsX(c, cell->border.left.width), 1);
749 color = RGB(192,192,192);
752 logBrush.lbStyle = BS_SOLID;
753 logBrush.lbColor = color;
754 logBrush.lbHatch = 0;
755 pen = ExtCreatePen(PS_GEOMETRIC|PS_SOLID|PS_ENDCAP_FLAT|PS_JOIN_MITER,
756 width, &logBrush, 0, NULL);
757 oldPen = SelectObject(c->hDC, pen);
758 MoveToEx(c->hDC, rc.left, rc.top, &oldPt);
759 LineTo(c->hDC, rc.left, rc.bottom);
760 SelectObject(c->hDC, oldPen);
762 MoveToEx(c->hDC, oldPt.x, oldPt.y, NULL);
766 if (cell->border.top.width > 0)
768 brush = CreateSolidBrush(cell->border.top.colorRef);
769 width = max(ME_twips2pointsY(c, cell->border.top.width), 1);
771 brush = GetStockObject(LTGRAY_BRUSH);
775 rc.bottom = rc.top + width;
776 FillRect(c->hDC, &rc, brush);
777 if (cell->border.top.width > 0)
781 /* Draw the bottom border if at the last paragraph in the cell, and when
782 * in the last row of the table. */
784 int oldLeft = rc.left;
785 width = max(ME_twips2pointsY(c, cell->border.bottom.width), 1);
786 paraAfterRow = ME_GetTableRowEnd(paragraph)->member.para.next_para;
787 if (paraAfterRow->member.para.nFlags & MEPF_ROWSTART) {
788 ME_DisplayItem *nextEndCell;
789 nextEndCell = ME_FindItemBack(ME_GetTableRowEnd(paraAfterRow), diCell);
790 assert(nextEndCell && !nextEndCell->member.cell.next_cell);
791 rc.left = c->pt.x + nextEndCell->member.cell.pt.x;
792 /* FIXME: Native draws FROM the bottom of the table rather than
793 * TO the bottom of the table in this case, but just doing so here
794 * will cause the next row to erase the border. */
797 rc.bottom = rc.top + width;
800 if (rc.left < rc.right) {
801 if (cell->border.bottom.width > 0) {
802 brush = CreateSolidBrush(cell->border.bottom.colorRef);
804 brush = GetStockObject(LTGRAY_BRUSH);
807 rc.top = rc.bottom - width;
808 FillRect(c->hDC, &rc, brush);
809 if (cell->border.bottom.width > 0)
815 /* Right border only drawn if at the end of the table row. */
816 if (!cell->next_cell->member.cell.next_cell &&
817 !(para->nFlags & MEPF_ROWSTART))
821 if (cell->border.right.width > 0) {
822 color = cell->border.right.colorRef;
823 width = max(ME_twips2pointsX(c, cell->border.right.width), 1);
825 color = RGB(192,192,192);
828 logBrush.lbStyle = BS_SOLID;
829 logBrush.lbColor = color;
830 logBrush.lbHatch = 0;
831 pen = ExtCreatePen(PS_GEOMETRIC|PS_SOLID|PS_ENDCAP_FLAT|PS_JOIN_MITER,
832 width, &logBrush, 0, NULL);
833 oldPen = SelectObject(c->hDC, pen);
834 MoveToEx(c->hDC, rc.right - 1, rc.top, &oldPt);
835 LineTo(c->hDC, rc.right - 1, rc.bottom);
836 SelectObject(c->hDC, oldPen);
838 MoveToEx(c->hDC, oldPt.x, oldPt.y, NULL);
841 } else { /* v1.0 - 3.0 */
842 /* Draw simple table border */
843 if (para->pFmt->dwMask & PFM_TABLE && para->pFmt->wEffects & PFE_TABLE) {
844 HPEN pen = NULL, oldpen = NULL;
845 int i, firstX, startX, endX, rowY, rowBottom, nHeight;
847 PARAFORMAT2 *pNextFmt;
849 pen = CreatePen(PS_SOLID, 0, para->border.top.colorRef);
850 oldpen = SelectObject(c->hDC, pen);
852 /* Find the start relative to the text */
853 firstX = c->pt.x + ME_FindItemFwd(paragraph, diRun)->member.run.pt.x;
854 /* Go back by the horizontal gap, which is stored in dxOffset */
855 firstX -= ME_twips2pointsX(c, para->pFmt->dxOffset);
856 /* The left edge, stored in dxStartIndent affected just the first edge */
857 startX = firstX - ME_twips2pointsX(c, para->pFmt->dxStartIndent);
858 rowY = c->pt.y + para->pt.y;
859 if (para->pFmt->dwMask & PFM_SPACEBEFORE)
860 rowY += ME_twips2pointsY(c, para->pFmt->dySpaceBefore);
861 nHeight = ME_FindItemFwd(paragraph, diStartRow)->member.row.nHeight;
862 rowBottom = rowY + nHeight;
864 /* Draw horizontal lines */
865 MoveToEx(c->hDC, firstX, rowY, &oldPt);
866 i = para->pFmt->cTabCount - 1;
867 endX = startX + ME_twips2pointsX(c, para->pFmt->rgxTabs[i] & 0x00ffffff) + 1;
868 LineTo(c->hDC, endX, rowY);
869 pNextFmt = para->next_para->member.para.pFmt;
870 /* The bottom of the row only needs to be drawn if the next row is
872 if (!(pNextFmt && pNextFmt->dwMask & PFM_TABLE && pNextFmt->wEffects &&
875 /* Decrement rowBottom to draw the bottom line within the row, and
876 * to not draw over this line when drawing the vertical lines. */
878 MoveToEx(c->hDC, firstX, rowBottom, NULL);
879 LineTo(c->hDC, endX, rowBottom);
882 /* Draw vertical lines */
883 MoveToEx(c->hDC, firstX, rowY, NULL);
884 LineTo(c->hDC, firstX, rowBottom);
885 for (i = 0; i < para->pFmt->cTabCount; i++)
887 int rightBoundary = para->pFmt->rgxTabs[i] & 0x00ffffff;
888 endX = startX + ME_twips2pointsX(c, rightBoundary);
889 MoveToEx(c->hDC, endX, rowY, NULL);
890 LineTo(c->hDC, endX, rowBottom);
893 MoveToEx(c->hDC, oldPt.x, oldPt.y, NULL);
894 SelectObject(c->hDC, oldpen);
900 static void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph)
902 int align = SetTextAlign(c->hDC, TA_BASELINE);
905 ME_Paragraph *para = NULL;
908 int height = 0, baseline = 0, no=0;
909 BOOL visible = FALSE;
912 rc.right = c->rcView.right;
915 para = ¶graph->member.para;
916 y = c->pt.y + para->pt.y;
919 ME_Cell *cell = ¶->pCell->member.cell;
920 rc.left = c->pt.x + cell->pt.x;
921 rc.right = rc.left + cell->nWidth;
923 if (para->nFlags & MEPF_ROWSTART) {
924 ME_Cell *cell = ¶->next_para->member.para.pCell->member.cell;
925 rc.right = c->pt.x + cell->pt.x;
926 } else if (para->nFlags & MEPF_ROWEND) {
927 ME_Cell *cell = ¶->prev_para->member.para.pCell->member.cell;
928 rc.left = c->pt.x + cell->pt.x + cell->nWidth;
930 ME_DrawParaDecoration(c, para, y, &bounds);
932 if (bounds.left || bounds.right) {
933 rc.left = max(rc.left, c->pt.x + bounds.left);
934 rc.right = min(rc.right, c->pt.x - bounds.right
935 + max(c->editor->sizeWindow.cx,
936 c->editor->nTotalWidth));
939 for (p = paragraph->next; p != para->next_para; p = p->next)
948 if (para->nFlags & (MEPF_ROWSTART|MEPF_ROWEND)) {
949 rc.bottom = y + para->nHeight;
951 rc.bottom = y + p->member.row.nHeight;
953 visible = RectVisible(c->hDC, &rc);
955 FillRect(c->hDC, &rc, c->editor->hbrBackground);
959 /* If scrolled to the right past the end of the text, then
960 * there may be space to the right of the paragraph border. */
961 RECT rcAfterBrdr = rc;
962 rcAfterBrdr.left = rc.right + bounds.right;
963 rcAfterBrdr.right = c->rcView.right;
964 if (RectVisible(c->hDC, &rcAfterBrdr))
965 FillRect(c->hDC, &rcAfterBrdr, c->editor->hbrBackground);
969 const WCHAR wszRowDebug[] = {'r','o','w','[','%','d',']',0};
972 wsprintfW(buf, wszRowDebug, no);
974 ME_DebugWrite(c->hDC, &pt, buf);
977 height = p->member.row.nHeight;
978 baseline = p->member.row.nBaseline;
982 run = &p->member.run;
983 if (visible && me_debug) {
985 rc.left = c->pt.x + run->pt.x;
986 rc.right = rc.left + run->nWidth;
987 rc.top = c->pt.y + para->pt.y + run->pt.y;
988 rc.bottom = rc.bottom + height;
989 TRACE("rc = (%d, %d, %d, %d)\n", rc.left, rc.top, rc.right, rc.bottom);
990 if (run->nFlags & MERF_SKIPPED)
991 DrawFocusRect(c->hDC, &rc);
993 FrameRect(c->hDC, &rc, GetSysColorBrush(COLOR_GRAYTEXT));
996 ME_DrawRun(c, c->pt.x + run->pt.x,
997 c->pt.y + para->pt.y + run->pt.y + baseline, p, para);
1000 /* I'm using %ls, hope wsprintfW is not going to use wrong (4-byte) WCHAR version */
1001 const WCHAR wszRunDebug[] = {'[','%','d',':','%','x',']',' ','%','l','s',0};
1004 pt.x = c->pt.x + run->pt.x;
1005 pt.y = c->pt.y + para->pt.y + run->pt.y;
1006 wsprintfW(buf, wszRunDebug, no, p->member.run.nFlags, p->member.run.strText->szData);
1007 ME_DebugWrite(c->hDC, &pt, buf);
1011 /* Clear any space at the bottom of the cell after the text. */
1012 if (para->nFlags & (MEPF_ROWSTART|MEPF_ROWEND))
1015 rc.top = c->pt.y + para->pt.y + para->nHeight;
1016 rc.bottom = c->pt.y + p->member.cell.pt.y + p->member.cell.nHeight;
1017 if (RectVisible(c->hDC, &rc))
1019 FillRect(c->hDC, &rc, c->editor->hbrBackground);
1028 ME_DrawTableBorders(c, paragraph);
1030 SetTextAlign(c->hDC, align);
1033 void ME_ScrollAbs(ME_TextEditor *editor, int x, int y)
1036 BOOL bScrollBarIsVisible, bScrollBarWillBeVisible;
1037 int scrollX = 0, scrollY = 0;
1039 if (editor->horz_si.nPos != x) {
1040 x = min(x, editor->horz_si.nMax);
1041 x = max(x, editor->horz_si.nMin);
1042 SetScrollPos(editor->hWnd, SB_HORZ, x, TRUE);
1043 scrollX = editor->horz_si.nPos - x;
1044 editor->horz_si.nPos = x;
1047 if (editor->vert_si.nPos != y) {
1048 y = min(y, editor->vert_si.nMax - (int)editor->vert_si.nPage);
1049 y = max(y, editor->vert_si.nMin);
1050 SetScrollPos(editor->hWnd, SB_VERT, y, TRUE);
1051 scrollY = editor->vert_si.nPos - y;
1052 editor->vert_si.nPos = y;
1055 if (abs(scrollX) > editor->sizeWindow.cx ||
1056 abs(scrollY) > editor->sizeWindow.cy)
1057 InvalidateRect(editor->hWnd, NULL, TRUE);
1059 ScrollWindowEx(editor->hWnd, scrollX, scrollY, &editor->rcFormat,
1060 &editor->rcFormat, NULL, NULL, SW_INVALIDATE);
1063 winStyle = GetWindowLongW(editor->hWnd, GWL_STYLE);
1064 bScrollBarIsVisible = (winStyle & WS_HSCROLL) != 0;
1065 bScrollBarWillBeVisible = (editor->nTotalWidth > editor->sizeWindow.cx)
1066 || (editor->styleFlags & ES_DISABLENOSCROLL);
1067 if (bScrollBarIsVisible != bScrollBarWillBeVisible)
1068 ShowScrollBar(editor->hWnd, SB_HORZ, bScrollBarWillBeVisible);
1070 bScrollBarIsVisible = (winStyle & WS_VSCROLL) != 0;
1071 bScrollBarWillBeVisible = (editor->nTotalLength > editor->sizeWindow.cy)
1072 || (editor->styleFlags & ES_DISABLENOSCROLL);
1073 if (bScrollBarIsVisible != bScrollBarWillBeVisible)
1074 ShowScrollBar(editor->hWnd, SB_VERT, bScrollBarWillBeVisible);
1076 ME_UpdateScrollBar(editor);
1079 void ME_HScrollAbs(ME_TextEditor *editor, int x)
1081 ME_ScrollAbs(editor, x, editor->vert_si.nPos);
1084 void ME_VScrollAbs(ME_TextEditor *editor, int y)
1086 ME_ScrollAbs(editor, editor->horz_si.nPos, y);
1089 void ME_ScrollUp(ME_TextEditor *editor, int cy)
1091 ME_VScrollAbs(editor, editor->vert_si.nPos - cy);
1094 void ME_ScrollDown(ME_TextEditor *editor, int cy)
1096 ME_VScrollAbs(editor, editor->vert_si.nPos + cy);
1099 void ME_ScrollLeft(ME_TextEditor *editor, int cx)
1101 ME_HScrollAbs(editor, editor->horz_si.nPos - cx);
1104 void ME_ScrollRight(ME_TextEditor *editor, int cx)
1106 ME_HScrollAbs(editor, editor->horz_si.nPos + cx);
1109 void ME_UpdateScrollBar(ME_TextEditor *editor)
1111 /* Note that this is the only function that should ever call
1112 * SetScrollInfo with SIF_PAGE or SIF_RANGE. */
1115 BOOL bScrollBarWasVisible, bScrollBarWillBeVisible;
1117 if (ME_WrapMarkedParagraphs(editor))
1118 FIXME("ME_UpdateScrollBar had to call ME_WrapMarkedParagraphs\n");
1120 si.cbSize = sizeof(si);
1121 si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
1122 if (editor->styleFlags & ES_DISABLENOSCROLL)
1123 si.fMask |= SIF_DISABLENOSCROLL;
1125 /* Update horizontal scrollbar */
1126 bScrollBarWasVisible = editor->horz_si.nMax > editor->horz_si.nPage;
1127 bScrollBarWillBeVisible = editor->nTotalWidth > editor->sizeWindow.cx;
1128 if (editor->horz_si.nPos && !bScrollBarWillBeVisible)
1130 ME_HScrollAbs(editor, 0);
1131 /* ME_HScrollAbs will call this function,
1132 * so nothing else needs to be done here. */
1137 si.nMax = editor->nTotalWidth;
1138 si.nPos = editor->horz_si.nPos;
1139 si.nPage = editor->sizeWindow.cx;
1141 if (si.nMin != editor->horz_si.nMin ||
1142 si.nMax != editor->horz_si.nMax ||
1143 si.nPage != editor->horz_si.nPage)
1145 TRACE("min=%d max=%d page=%d\n", si.nMin, si.nMax, si.nPage);
1146 editor->horz_si.nMin = si.nMin;
1147 editor->horz_si.nMax = si.nMax;
1148 editor->horz_si.nPage = si.nPage;
1149 if (bScrollBarWillBeVisible || bScrollBarWasVisible)
1150 SetScrollInfo(editor->hWnd, SB_HORZ, &si, TRUE);
1153 if (si.fMask & SIF_DISABLENOSCROLL)
1154 bScrollBarWillBeVisible = TRUE;
1156 if (bScrollBarWasVisible != bScrollBarWillBeVisible)
1157 ShowScrollBar(editor->hWnd, SB_HORZ, bScrollBarWillBeVisible);
1159 /* Update vertical scrollbar */
1160 bScrollBarWasVisible = editor->vert_si.nMax > editor->vert_si.nPage;
1161 bScrollBarWillBeVisible = editor->nTotalLength > editor->sizeWindow.cy;
1163 if (editor->vert_si.nPos && !bScrollBarWillBeVisible)
1165 ME_VScrollAbs(editor, 0);
1166 /* ME_VScrollAbs will call this function,
1167 * so nothing else needs to be done here. */
1171 si.nMax = editor->nTotalLength;
1172 si.nPos = editor->vert_si.nPos;
1173 si.nPage = editor->sizeWindow.cy;
1175 if (si.nMin != editor->vert_si.nMin ||
1176 si.nMax != editor->vert_si.nMax ||
1177 si.nPage != editor->vert_si.nPage)
1179 TRACE("min=%d max=%d page=%d\n", si.nMin, si.nMax, si.nPage);
1180 editor->vert_si.nMin = si.nMin;
1181 editor->vert_si.nMax = si.nMax;
1182 editor->vert_si.nPage = si.nPage;
1183 if (bScrollBarWillBeVisible || bScrollBarWasVisible)
1184 SetScrollInfo(editor->hWnd, SB_VERT, &si, TRUE);
1187 if (si.fMask & SIF_DISABLENOSCROLL)
1188 bScrollBarWillBeVisible = TRUE;
1190 if (bScrollBarWasVisible != bScrollBarWillBeVisible)
1191 ShowScrollBar(editor->hWnd, SB_VERT, bScrollBarWillBeVisible);
1194 void ME_EnsureVisible(ME_TextEditor *editor, ME_Cursor *pCursor)
1196 ME_Run *pRun = &pCursor->pRun->member.run;
1197 ME_DisplayItem *pRow = ME_FindItemBack(pCursor->pRun, diStartRow);
1198 ME_DisplayItem *pPara = ME_FindItemBack(pCursor->pRun, diParagraph);
1204 x = pRun->pt.x + ME_PointFromChar(editor, pRun, pCursor->nOffset);
1205 if (x > editor->horz_si.nPos + editor->sizeWindow.cx)
1206 x = x + 1 - editor->sizeWindow.cx;
1207 else if (x > editor->horz_si.nPos)
1208 x = editor->horz_si.nPos;
1210 y = pPara->member.para.pt.y + pRow->member.row.pt.y;
1211 yheight = pRow->member.row.nHeight;
1213 if (y < editor->vert_si.nPos)
1214 ME_ScrollAbs(editor, x, y);
1215 else if (y + yheight > editor->vert_si.nPos + editor->sizeWindow.cy)
1216 ME_ScrollAbs(editor, x, y + yheight - editor->sizeWindow.cy);
1217 else if (x != editor->horz_si.nPos)
1218 ME_ScrollAbs(editor, x, editor->vert_si.nPos);
1223 ME_InvalidateFromOfs(ME_TextEditor *editor, int nCharOfs)
1229 ME_RunOfsFromCharOfs(editor, nCharOfs, &tmp.pRun, &tmp.nOffset);
1230 ME_GetCursorCoordinates(editor, &tmp, &x, &y, &height);
1234 rc.bottom = y + height;
1235 rc.right = editor->rcFormat.right;
1236 InvalidateRect(editor->hWnd, &rc, FALSE);
1241 ME_InvalidateSelection(ME_TextEditor *editor)
1243 ME_DisplayItem *para1, *para2;
1245 int len = ME_GetTextLength(editor);
1247 ME_GetSelection(editor, &nStart, &nEnd);
1248 /* if both old and new selection are 0-char (= caret only), then
1249 there's no (inverted) area to be repainted, neither old nor new */
1250 if (nStart == nEnd && editor->nLastSelStart == editor->nLastSelEnd)
1252 ME_WrapMarkedParagraphs(editor);
1253 ME_GetSelectionParas(editor, ¶1, ¶2);
1254 assert(para1->type == diParagraph);
1255 assert(para2->type == diParagraph);
1256 /* last selection markers aren't always updated, which means
1257 they can point past the end of the document */
1258 if (editor->nLastSelStart > len || editor->nLastSelEnd > len) {
1259 ME_MarkForPainting(editor,
1260 ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph),
1261 ME_FindItemFwd(editor->pBuffer->pFirst, diTextEnd));
1263 /* if the start part of selection is being expanded or contracted... */
1264 if (nStart < editor->nLastSelStart) {
1265 ME_MarkForPainting(editor, para1, ME_FindItemFwd(editor->pLastSelStartPara, diParagraphOrEnd));
1267 if (nStart > editor->nLastSelStart) {
1268 ME_MarkForPainting(editor, editor->pLastSelStartPara, ME_FindItemFwd(para1, diParagraphOrEnd));
1271 /* if the end part of selection is being contracted or expanded... */
1272 if (nEnd < editor->nLastSelEnd) {
1273 ME_MarkForPainting(editor, para2, ME_FindItemFwd(editor->pLastSelEndPara, diParagraphOrEnd));
1275 if (nEnd > editor->nLastSelEnd) {
1276 ME_MarkForPainting(editor, editor->pLastSelEndPara, ME_FindItemFwd(para2, diParagraphOrEnd));
1280 ME_InvalidateMarkedParagraphs(editor);
1281 /* remember the last invalidated position */
1282 ME_GetSelection(editor, &editor->nLastSelStart, &editor->nLastSelEnd);
1283 ME_GetSelectionParas(editor, &editor->pLastSelStartPara, &editor->pLastSelEndPara);
1284 assert(editor->pLastSelStartPara->type == diParagraph);
1285 assert(editor->pLastSelEndPara->type == diParagraph);
1289 ME_QueueInvalidateFromCursor(ME_TextEditor *editor, int nCursor)
1291 editor->nInvalidOfs = ME_GetCursorOfs(editor, nCursor);
1296 ME_SetZoom(ME_TextEditor *editor, int numerator, int denominator)
1298 /* TODO: Zoom images and objects */
1300 if (numerator == 0 && denominator == 0)
1302 editor->nZoomNumerator = editor->nZoomDenominator = 0;
1305 if (numerator <= 0 || denominator <= 0)
1307 if (numerator * 64 <= denominator || numerator / denominator >= 64)
1310 editor->nZoomNumerator = numerator;
1311 editor->nZoomDenominator = denominator;
1313 ME_RewrapRepaint(editor);