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, 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);
44 ME_InitContext(&c, editor, hDC);
45 SetBkMode(hDC, TRANSPARENT);
47 item = editor->pBuffer->pFirst->next;
48 /* This context point is an offset for the paragraph positions stored
49 * during wrapping. It shouldn't be modified during painting. */
50 c.pt.x = c.rcView.left - editor->horz_si.nPos;
51 c.pt.y = c.rcView.top - editor->vert_si.nPos;
52 while(item != editor->pBuffer->pLast)
54 assert(item->type == diParagraph);
56 ys = c.pt.y + item->member.para.pt.y;
57 if (item->member.para.pCell
58 != item->member.para.next_para->member.para.pCell)
61 cell = &ME_FindItemBack(item->member.para.next_para, diCell)->member.cell;
62 ye = c.pt.y + cell->pt.y + cell->nHeight;
64 ye = ys + item->member.para.nHeight;
66 if (item->member.para.pCell && !(item->member.para.nFlags & MEPF_ROWEND) &&
67 item->member.para.pCell != item->member.para.prev_para->member.para.pCell)
69 /* the border shifts the text down */
70 ys -= item->member.para.pCell->member.cell.yTextOffset;
73 /* Draw the paragraph if any of the paragraph is in the update region. */
74 if (ys < rcUpdate->bottom && ye > rcUpdate->top)
75 ME_DrawParagraph(&c, item);
76 item = item->member.para.next_para;
78 if (c.pt.y + editor->nTotalLength < c.rcView.bottom)
80 /* Fill space after the end of the text. */
82 rc.top = c.pt.y + editor->nTotalLength;
83 rc.left = c.rcView.left;
84 rc.bottom = c.rcView.bottom;
85 rc.right = c.rcView.right;
87 IntersectRect(&rc, &rc, rcUpdate);
89 if (!IsRectEmpty(&rc))
90 FillRect(hDC, &rc, c.editor->hbrBackground);
92 if (editor->nTotalLength != editor->nLastTotalLength ||
93 editor->nTotalWidth != editor->nLastTotalWidth)
94 ME_SendRequestResize(editor, FALSE);
95 editor->nLastTotalLength = editor->nTotalLength;
96 editor->nLastTotalWidth = editor->nTotalWidth;
98 SelectClipRgn(hDC, oldRgn);
100 DeleteObject(oldRgn);
103 ME_DestroyContext(&c);
106 void ME_Repaint(ME_TextEditor *editor)
108 if (ME_WrapMarkedParagraphs(editor))
110 ME_UpdateScrollBar(editor);
111 FIXME("ME_Repaint had to call ME_WrapMarkedParagraphs\n");
113 ITextHost_TxViewChange(editor->texthost, TRUE);
116 void ME_UpdateRepaint(ME_TextEditor *editor, BOOL update_now)
118 /* Should be called whenever the contents of the control have changed */
119 BOOL wrappedParagraphs;
121 wrappedParagraphs = ME_WrapMarkedParagraphs(editor);
122 if (wrappedParagraphs)
123 ME_UpdateScrollBar(editor);
125 /* Ensure that the cursor is visible */
126 ME_EnsureVisible(editor, &editor->pCursors[0]);
128 ITextHost_TxViewChange(editor->texthost, update_now);
130 ME_SendSelChange(editor);
132 /* send EN_CHANGE if the event mask asks for it */
133 if(editor->nEventMask & ENM_CHANGE)
135 editor->nEventMask &= ~ENM_CHANGE;
136 ME_SendOldNotify(editor, EN_CHANGE);
137 editor->nEventMask |= ENM_CHANGE;
142 ME_RewrapRepaint(ME_TextEditor *editor)
144 /* RewrapRepaint should be called whenever the control has changed in
145 * looks, but not content. Like resizing. */
147 ME_MarkAllForWrapping(editor);
148 ME_WrapMarkedParagraphs(editor);
149 ME_UpdateScrollBar(editor);
153 int ME_twips2pointsX(const ME_Context *c, int x)
155 if (c->editor->nZoomNumerator == 0)
156 return x * c->dpi.cx / 1440;
158 return x * c->dpi.cx * c->editor->nZoomNumerator / 1440 / c->editor->nZoomDenominator;
161 int ME_twips2pointsY(const ME_Context *c, int y)
163 if (c->editor->nZoomNumerator == 0)
164 return y * c->dpi.cy / 1440;
166 return y * c->dpi.cy * c->editor->nZoomNumerator / 1440 / c->editor->nZoomDenominator;
170 static int calc_y_offset( const ME_Context *c, ME_Style *style )
172 int offs = 0, twips = 0;
174 if ((style->fmt.dwMask & style->fmt.dwEffects) & CFM_OFFSET)
175 twips = style->fmt.yOffset;
177 if ((style->fmt.dwMask & style->fmt.dwEffects) & (CFM_SUPERSCRIPT | CFM_SUBSCRIPT))
179 if (style->fmt.dwEffects & CFE_SUPERSCRIPT) twips = style->fmt.yHeight/3;
180 if (style->fmt.dwEffects & CFE_SUBSCRIPT) twips = -style->fmt.yHeight/12;
183 if (twips) offs = ME_twips2pointsY( c, twips );
188 static COLORREF get_text_color( ME_Context *c, ME_Style *style, BOOL highlight )
193 color = ITextHost_TxGetSysColor( c->editor->texthost, COLOR_HIGHLIGHTTEXT );
194 else if ((style->fmt.dwMask & CFM_LINK) && (style->fmt.dwEffects & CFE_LINK))
195 color = RGB(0,0,255);
196 else if ((style->fmt.dwMask & CFM_COLOR) && (style->fmt.dwEffects & CFE_AUTOCOLOR))
197 color = ITextHost_TxGetSysColor( c->editor->texthost, COLOR_WINDOWTEXT );
199 color = style->fmt.crTextColor;
204 static void get_underline_pen( ME_Style *style, COLORREF color, HPEN *pen )
207 /* Choose the pen type for underlining the text. */
208 if (style->fmt.dwMask & CFM_UNDERLINETYPE)
210 switch (style->fmt.bUnderlineType)
213 case CFU_UNDERLINEWORD: /* native seems to map it to simple underline (MSDN) */
214 case CFU_UNDERLINEDOUBLE: /* native seems to map it to simple underline (MSDN) */
215 *pen = CreatePen( PS_SOLID, 1, color );
217 case CFU_UNDERLINEDOTTED:
218 *pen = CreatePen( PS_DOT, 1, color );
221 FIXME( "Unknown underline type (%u)\n", style->fmt.bUnderlineType );
223 case CFU_CF1UNDERLINE: /* this type is supported in the font, do nothing */
224 case CFU_UNDERLINENONE:
231 static void draw_underline( ME_Context *c, ME_Run *run, int x, int y, COLORREF color )
235 get_underline_pen( run->style, color, &pen );
238 HPEN old_pen = SelectObject( c->hDC, pen );
239 MoveToEx( c->hDC, x, y + 1, NULL );
240 LineTo( c->hDC, x + run->nWidth, y + 1 );
241 SelectObject( c->hDC, old_pen );
247 /*********************************************************************
250 * Draw the end-of-paragraph or tab space.
252 * If actually_draw is TRUE then ensure any underline is drawn.
254 static void draw_space( ME_Context *c, ME_Run *run, int x, int y,
255 BOOL selected, BOOL actually_draw, int ymin, int cy )
258 BOOL old_style_selected = FALSE;
260 COLORREF back_color = 0;
262 SetRect( &rect, x, ymin, x + run->nWidth, ymin + cy );
264 if (c->editor->bHideSelection) selected = FALSE;
265 if (c->editor->bEmulateVersion10)
267 old_style_selected = selected;
272 back_color = ITextHost_TxGetSysColor( c->editor->texthost, COLOR_HIGHLIGHT );
276 COLORREF text_color = get_text_color( c, run->style, selected );
277 COLORREF old_text, old_back;
278 HFONT old_font = NULL;
279 int y_offset = calc_y_offset( c, run->style );
280 static const WCHAR space[1] = {' '};
282 old_font = ME_SelectStyleFont( c, run->style );
283 old_text = SetTextColor( hdc, text_color );
284 if (selected) old_back = SetBkColor( hdc, back_color );
286 ExtTextOutW( hdc, x, y - y_offset, selected ? ETO_OPAQUE : 0, &rect, space, 1, &run->nWidth );
288 if (selected) SetBkColor( hdc, old_back );
289 SetTextColor( hdc, old_text );
290 ME_UnselectStyleFont( c, run->style, old_font );
292 draw_underline( c, run, x, y - y_offset, text_color );
296 HBRUSH brush = CreateSolidBrush( back_color );
297 FillRect( hdc, &rect, brush );
298 DeleteObject( brush );
301 if (old_style_selected)
302 PatBlt( hdc, x, ymin, run->nWidth, cy, DSTINVERT );
305 static void get_selection_rect( ME_Context *c, ME_Run *run, int from, int to, int cy, RECT *r )
307 from = max( 0, from );
308 to = min( run->len, to );
309 r->left = ME_PointFromCharContext( c, run, from );
311 r->right = ME_PointFromCharContext( c, run, to );
317 static void draw_text( ME_Context *c, ME_Run *run, int x, int y, BOOL selected, RECT *sel_rect )
319 COLORREF text_color = get_text_color( c, run->style, selected );
320 COLORREF back_color = selected ? ITextHost_TxGetSysColor( c->editor->texthost, COLOR_HIGHLIGHT ) : 0;
321 COLORREF old_text, old_back;
322 const WCHAR *text = get_text( run, 0 );
323 ME_String *masked = NULL;
325 if (c->editor->cPasswordMask)
327 masked = ME_MakeStringR( c->editor->cPasswordMask, run->len );
328 text = masked->szData;
331 old_text = SetTextColor( c->hDC, text_color );
332 if (selected) old_back = SetBkColor( c->hDC, back_color );
334 ExtTextOutW( c->hDC, x, y, selected ? ETO_OPAQUE : 0, sel_rect, text, run->len, NULL );
336 if (selected) SetBkColor( c->hDC, old_back );
337 SetTextColor( c->hDC, old_text );
339 draw_underline( c, run, x, y, text_color );
341 ME_DestroyString( masked );
346 static void ME_DrawTextWithStyle(ME_Context *c, ME_Run *run, int x, int y,
347 int nSelFrom, int nSelTo, int ymin, int cy)
352 BOOL selected = (nSelFrom < run->len && nSelTo >= 0
353 && nSelFrom < nSelTo && !c->editor->bHideSelection);
354 BOOL old_style_selected = FALSE;
356 HRGN clip = NULL, sel_rgn = NULL;
358 yOffset = calc_y_offset( c, run->style );
362 get_selection_rect( c, run, nSelFrom, nSelTo, cy, &sel_rect );
363 OffsetRect( &sel_rect, x, ymin );
365 if (c->editor->bEmulateVersion10)
367 old_style_selected = TRUE;
372 sel_rgn = CreateRectRgnIndirect( &sel_rect );
373 clip = CreateRectRgn( 0, 0, 0, 0 );
374 if (GetClipRgn( hDC, clip ) != 1)
376 DeleteObject( clip );
382 hOldFont = ME_SelectStyleFont( c, run->style );
384 if (sel_rgn) ExtSelectClipRgn( hDC, sel_rgn, RGN_DIFF );
385 draw_text( c, run, x, y - yOffset, FALSE, NULL );
388 ExtSelectClipRgn( hDC, clip, RGN_COPY );
389 ExtSelectClipRgn( hDC, sel_rgn, RGN_AND );
390 draw_text( c, run, x, y - yOffset, TRUE, &sel_rect );
391 ExtSelectClipRgn( hDC, clip, RGN_COPY );
392 if (clip) DeleteObject( clip );
393 DeleteObject( sel_rgn );
396 if (old_style_selected)
397 PatBlt( hDC, sel_rect.left, ymin, sel_rect.right - sel_rect.left, cy, DSTINVERT );
399 ME_UnselectStyleFont(c, run->style, hOldFont);
402 static void ME_DebugWrite(HDC hDC, const POINT *pt, LPCWSTR szText) {
403 int align = SetTextAlign(hDC, TA_LEFT|TA_TOP);
404 HGDIOBJ hFont = SelectObject(hDC, GetStockObject(DEFAULT_GUI_FONT));
405 COLORREF color = SetTextColor(hDC, RGB(128,128,128));
406 TextOutW(hDC, pt->x, pt->y, szText, lstrlenW(szText));
407 SelectObject(hDC, hFont);
408 SetTextAlign(hDC, align);
409 SetTextColor(hDC, color);
412 static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Paragraph *para)
414 ME_Run *run = &rundi->member.run;
415 ME_DisplayItem *start;
416 int runofs = run->nCharOfs+para->nCharOfs;
417 int nSelFrom, nSelTo;
419 if (run->nFlags & MERF_HIDDEN)
422 start = ME_FindItemBack(rundi, diStartRow);
423 ME_GetSelectionOfs(c->editor, &nSelFrom, &nSelTo);
425 /* Draw selected end-of-paragraph mark */
426 if (run->nFlags & MERF_ENDPARA)
428 if (runofs >= nSelFrom && runofs < nSelTo)
430 draw_space( c, run, x, y, TRUE, FALSE,
431 c->pt.y + para->pt.y + start->member.row.pt.y,
432 start->member.row.nHeight );
437 if (run->nFlags & (MERF_TAB | MERF_ENDCELL))
439 BOOL selected = runofs >= nSelFrom && runofs < nSelTo;
441 draw_space( c, run, x, y, selected, TRUE,
442 c->pt.y + para->pt.y + start->member.row.pt.y,
443 start->member.row.nHeight );
447 if (run->nFlags & MERF_GRAPHICS)
448 ME_DrawOLE(c, x, y, run, para, (runofs >= nSelFrom) && (runofs < nSelTo));
451 ME_DrawTextWithStyle(c, run, x, y, nSelFrom - runofs, nSelTo - runofs,
452 c->pt.y + para->pt.y + start->member.row.pt.y,
453 start->member.row.nHeight);
457 /* The documented widths are in points (72 dpi), but converting them to
458 * 96 dpi (standard display resolution) avoids dealing with fractions. */
459 static const struct {unsigned width : 8, pen_style : 4, dble : 1;} border_details[] = {
460 /* none */ {0, PS_SOLID, FALSE},
461 /* 3/4 */ {1, PS_SOLID, FALSE},
462 /* 1 1/2 */ {2, PS_SOLID, FALSE},
463 /* 2 1/4 */ {3, PS_SOLID, FALSE},
464 /* 3 */ {4, PS_SOLID, FALSE},
465 /* 4 1/2 */ {6, PS_SOLID, FALSE},
466 /* 6 */ {8, PS_SOLID, FALSE},
467 /* 3/4 double */ {1, PS_SOLID, TRUE},
468 /* 1 1/2 double */ {2, PS_SOLID, TRUE},
469 /* 2 1/4 double */ {3, PS_SOLID, TRUE},
470 /* 3/4 gray */ {1, PS_DOT /* FIXME */, FALSE},
471 /* 1 1/2 dashed */ {2, PS_DASH, FALSE},
474 static const COLORREF pen_colors[16] = {
475 /* Black */ RGB(0x00, 0x00, 0x00), /* Blue */ RGB(0x00, 0x00, 0xFF),
476 /* Cyan */ RGB(0x00, 0xFF, 0xFF), /* Green */ RGB(0x00, 0xFF, 0x00),
477 /* Magenta */ RGB(0xFF, 0x00, 0xFF), /* Red */ RGB(0xFF, 0x00, 0x00),
478 /* Yellow */ RGB(0xFF, 0xFF, 0x00), /* White */ RGB(0xFF, 0xFF, 0xFF),
479 /* Dark blue */ RGB(0x00, 0x00, 0x80), /* Dark cyan */ RGB(0x00, 0x80, 0x80),
480 /* Dark green */ RGB(0x00, 0x80, 0x80), /* Dark magenta */ RGB(0x80, 0x00, 0x80),
481 /* Dark red */ RGB(0x80, 0x00, 0x00), /* Dark yellow */ RGB(0x80, 0x80, 0x00),
482 /* Dark gray */ RGB(0x80, 0x80, 0x80), /* Light gray */ RGB(0xc0, 0xc0, 0xc0),
485 static int ME_GetBorderPenWidth(const ME_Context* c, int idx)
487 int width = border_details[idx].width;
490 width = MulDiv(width, c->dpi.cx, 96);
492 if (c->editor->nZoomNumerator != 0)
493 width = MulDiv(width, c->editor->nZoomNumerator, c->editor->nZoomDenominator);
498 int ME_GetParaBorderWidth(const ME_Context* c, int flags)
500 int idx = (flags >> 8) & 0xF;
503 if (idx >= sizeof(border_details) / sizeof(border_details[0]))
505 FIXME("Unsupported border value %d\n", idx);
508 width = ME_GetBorderPenWidth(c, idx);
509 if (border_details[idx].dble) width = width * 2 + 1;
513 static void ME_DrawParaDecoration(ME_Context* c, ME_Paragraph* para, int y, RECT* bounds)
515 int idx, border_width, top_border, bottom_border;
519 SetRectEmpty(bounds);
520 if (!(para->pFmt->dwMask & (PFM_BORDER | PFM_SPACEBEFORE | PFM_SPACEAFTER))) return;
522 border_width = top_border = bottom_border = 0;
523 idx = (para->pFmt->wBorders >> 8) & 0xF;
524 hasParaBorder = (!(c->editor->bEmulateVersion10 &&
525 para->pFmt->dwMask & PFM_TABLE &&
526 para->pFmt->wEffects & PFE_TABLE) &&
527 (para->pFmt->dwMask & PFM_BORDER) &&
529 (para->pFmt->wBorders & 0xF));
532 /* FIXME: wBorders is not stored as MSDN says in v1.0 - 4.1 of richedit
533 * controls. It actually stores the paragraph or row border style. Although
534 * the value isn't used for drawing, it is used for streaming out rich text.
536 * wBorders stores the border style for each side (top, left, bottom, right)
537 * using nibble (4 bits) to store each border style. The rich text format
538 * control words, and their associated value are the following:
548 * The order of the sides stored actually differs from v1.0 to 3.0 and v4.1.
549 * The mask corresponding to each side for the version are the following:
553 * 0x0F00 bottom right
554 * 0xF000 right bottom
556 if (para->pFmt->wBorders & 0x00B0)
557 FIXME("Unsupported border flags %x\n", para->pFmt->wBorders);
558 border_width = ME_GetParaBorderWidth(c, para->pFmt->wBorders);
559 if (para->pFmt->wBorders & 4) top_border = border_width;
560 if (para->pFmt->wBorders & 8) bottom_border = border_width;
563 if (para->pFmt->dwMask & PFM_SPACEBEFORE)
565 rc.left = c->rcView.left;
566 rc.right = c->rcView.right;
568 bounds->top = ME_twips2pointsY(c, para->pFmt->dySpaceBefore);
569 rc.bottom = y + bounds->top + top_border;
570 FillRect(c->hDC, &rc, c->editor->hbrBackground);
573 if (para->pFmt->dwMask & PFM_SPACEAFTER)
575 rc.left = c->rcView.left;
576 rc.right = c->rcView.right;
577 rc.bottom = y + para->nHeight;
578 bounds->bottom = ME_twips2pointsY(c, para->pFmt->dySpaceAfter);
579 rc.top = rc.bottom - bounds->bottom - bottom_border;
580 FillRect(c->hDC, &rc, c->editor->hbrBackground);
583 /* Native richedit doesn't support paragraph borders in v1.0 - 4.1,
584 * but might support it in later versions. */
586 int pen_width, rightEdge;
588 HPEN pen = NULL, oldpen = NULL;
591 if (para->pFmt->wBorders & 64) /* autocolor */
592 pencr = ITextHost_TxGetSysColor(c->editor->texthost,
595 pencr = pen_colors[(para->pFmt->wBorders >> 12) & 0xF];
597 rightEdge = c->pt.x + max(c->editor->sizeWindow.cx,
598 c->editor->nTotalWidth);
600 pen_width = ME_GetBorderPenWidth(c, idx);
601 pen = CreatePen(border_details[idx].pen_style, pen_width, pencr);
602 oldpen = SelectObject(c->hDC, pen);
603 MoveToEx(c->hDC, 0, 0, &pt);
605 /* before & after spaces are not included in border */
607 /* helper to draw the double lines in case of corner */
608 #define DD(x) ((para->pFmt->wBorders & (x)) ? (pen_width + 1) : 0)
610 if (para->pFmt->wBorders & 1)
612 MoveToEx(c->hDC, c->pt.x, y + bounds->top, NULL);
613 LineTo(c->hDC, c->pt.x, y + para->nHeight - bounds->bottom);
614 if (border_details[idx].dble) {
615 rc.left = c->pt.x + 1;
616 rc.right = rc.left + border_width;
617 rc.top = y + bounds->top;
618 rc.bottom = y + para->nHeight - bounds->bottom;
619 FillRect(c->hDC, &rc, c->editor->hbrBackground);
620 MoveToEx(c->hDC, c->pt.x + pen_width + 1, y + bounds->top + DD(4), NULL);
621 LineTo(c->hDC, c->pt.x + pen_width + 1, y + para->nHeight - bounds->bottom - DD(8));
623 bounds->left += border_width;
625 if (para->pFmt->wBorders & 2)
627 MoveToEx(c->hDC, rightEdge - 1, y + bounds->top, NULL);
628 LineTo(c->hDC, rightEdge - 1, y + para->nHeight - bounds->bottom);
629 if (border_details[idx].dble) {
630 rc.left = rightEdge - pen_width - 1;
631 rc.right = rc.left + pen_width;
632 rc.top = y + bounds->top;
633 rc.bottom = y + para->nHeight - bounds->bottom;
634 FillRect(c->hDC, &rc, c->editor->hbrBackground);
635 MoveToEx(c->hDC, rightEdge - 1 - pen_width - 1, y + bounds->top + DD(4), NULL);
636 LineTo(c->hDC, rightEdge - 1 - pen_width - 1, y + para->nHeight - bounds->bottom - DD(8));
638 bounds->right += border_width;
640 if (para->pFmt->wBorders & 4)
642 MoveToEx(c->hDC, c->pt.x, y + bounds->top, NULL);
643 LineTo(c->hDC, rightEdge, y + bounds->top);
644 if (border_details[idx].dble) {
645 MoveToEx(c->hDC, c->pt.x + DD(1), y + bounds->top + pen_width + 1, NULL);
646 LineTo(c->hDC, rightEdge - DD(2), y + bounds->top + pen_width + 1);
648 bounds->top += border_width;
650 if (para->pFmt->wBorders & 8)
652 MoveToEx(c->hDC, c->pt.x, y + para->nHeight - bounds->bottom - 1, NULL);
653 LineTo(c->hDC, rightEdge, y + para->nHeight - bounds->bottom - 1);
654 if (border_details[idx].dble) {
655 MoveToEx(c->hDC, c->pt.x + DD(1), y + para->nHeight - bounds->bottom - 1 - pen_width - 1, NULL);
656 LineTo(c->hDC, rightEdge - DD(2), y + para->nHeight - bounds->bottom - 1 - pen_width - 1);
658 bounds->bottom += border_width;
662 MoveToEx(c->hDC, pt.x, pt.y, NULL);
663 SelectObject(c->hDC, oldpen);
668 static void ME_DrawTableBorders(ME_Context *c, ME_DisplayItem *paragraph)
670 ME_Paragraph *para = ¶graph->member.para;
671 if (!c->editor->bEmulateVersion10) /* v4.1 */
676 ME_Cell *cell = ¶->pCell->member.cell;
677 ME_DisplayItem *paraAfterRow;
684 BOOL atTop = (para->pCell != para->prev_para->member.para.pCell);
685 BOOL atBottom = (para->pCell != para->next_para->member.para.pCell);
686 int top = c->pt.y + (atTop ? cell->pt.y : para->pt.y);
687 int bottom = (atBottom ?
688 c->pt.y + cell->pt.y + cell->nHeight :
689 top + para->nHeight + (atTop ? cell->yTextOffset : 0));
690 rc.left = c->pt.x + cell->pt.x;
691 rc.right = rc.left + cell->nWidth;
693 /* Erase gap before text if not all borders are the same height. */
694 width = max(ME_twips2pointsY(c, cell->border.top.width), 1);
695 rc.top = top + width;
696 width = cell->yTextOffset - width;
697 rc.bottom = rc.top + width;
699 FillRect(c->hDC, &rc, c->editor->hbrBackground);
702 /* Draw cell borders.
703 * The order borders are draw in is left, top, bottom, right in order
704 * to be consistent with native richedit. This is noticeable from the
705 * overlap of borders of different colours. */
706 if (!(para->nFlags & MEPF_ROWEND)) {
709 if (cell->border.left.width > 0)
711 color = cell->border.left.colorRef;
712 width = max(ME_twips2pointsX(c, cell->border.left.width), 1);
714 color = RGB(192,192,192);
717 logBrush.lbStyle = BS_SOLID;
718 logBrush.lbColor = color;
719 logBrush.lbHatch = 0;
720 pen = ExtCreatePen(PS_GEOMETRIC|PS_SOLID|PS_ENDCAP_FLAT|PS_JOIN_MITER,
721 width, &logBrush, 0, NULL);
722 oldPen = SelectObject(c->hDC, pen);
723 MoveToEx(c->hDC, rc.left, rc.top, &oldPt);
724 LineTo(c->hDC, rc.left, rc.bottom);
725 SelectObject(c->hDC, oldPen);
727 MoveToEx(c->hDC, oldPt.x, oldPt.y, NULL);
731 if (cell->border.top.width > 0)
733 brush = CreateSolidBrush(cell->border.top.colorRef);
734 width = max(ME_twips2pointsY(c, cell->border.top.width), 1);
736 brush = GetStockObject(LTGRAY_BRUSH);
740 rc.bottom = rc.top + width;
741 FillRect(c->hDC, &rc, brush);
742 if (cell->border.top.width > 0)
746 /* Draw the bottom border if at the last paragraph in the cell, and when
747 * in the last row of the table. */
749 int oldLeft = rc.left;
750 width = max(ME_twips2pointsY(c, cell->border.bottom.width), 1);
751 paraAfterRow = ME_GetTableRowEnd(paragraph)->member.para.next_para;
752 if (paraAfterRow->member.para.nFlags & MEPF_ROWSTART) {
753 ME_DisplayItem *nextEndCell;
754 nextEndCell = ME_FindItemBack(ME_GetTableRowEnd(paraAfterRow), diCell);
755 assert(nextEndCell && !nextEndCell->member.cell.next_cell);
756 rc.left = c->pt.x + nextEndCell->member.cell.pt.x;
757 /* FIXME: Native draws FROM the bottom of the table rather than
758 * TO the bottom of the table in this case, but just doing so here
759 * will cause the next row to erase the border. */
762 rc.bottom = rc.top + width;
765 if (rc.left < rc.right) {
766 if (cell->border.bottom.width > 0) {
767 brush = CreateSolidBrush(cell->border.bottom.colorRef);
769 brush = GetStockObject(LTGRAY_BRUSH);
772 rc.top = rc.bottom - width;
773 FillRect(c->hDC, &rc, brush);
774 if (cell->border.bottom.width > 0)
780 /* Right border only drawn if at the end of the table row. */
781 if (!cell->next_cell->member.cell.next_cell &&
782 !(para->nFlags & MEPF_ROWSTART))
786 if (cell->border.right.width > 0) {
787 color = cell->border.right.colorRef;
788 width = max(ME_twips2pointsX(c, cell->border.right.width), 1);
790 color = RGB(192,192,192);
793 logBrush.lbStyle = BS_SOLID;
794 logBrush.lbColor = color;
795 logBrush.lbHatch = 0;
796 pen = ExtCreatePen(PS_GEOMETRIC|PS_SOLID|PS_ENDCAP_FLAT|PS_JOIN_MITER,
797 width, &logBrush, 0, NULL);
798 oldPen = SelectObject(c->hDC, pen);
799 MoveToEx(c->hDC, rc.right - 1, rc.top, &oldPt);
800 LineTo(c->hDC, rc.right - 1, rc.bottom);
801 SelectObject(c->hDC, oldPen);
803 MoveToEx(c->hDC, oldPt.x, oldPt.y, NULL);
806 } else { /* v1.0 - 3.0 */
807 /* Draw simple table border */
808 if (para->pFmt->dwMask & PFM_TABLE && para->pFmt->wEffects & PFE_TABLE) {
809 HPEN pen = NULL, oldpen = NULL;
810 int i, firstX, startX, endX, rowY, rowBottom, nHeight;
812 PARAFORMAT2 *pNextFmt;
814 pen = CreatePen(PS_SOLID, 0, para->border.top.colorRef);
815 oldpen = SelectObject(c->hDC, pen);
817 /* Find the start relative to the text */
818 firstX = c->pt.x + ME_FindItemFwd(paragraph, diRun)->member.run.pt.x;
819 /* Go back by the horizontal gap, which is stored in dxOffset */
820 firstX -= ME_twips2pointsX(c, para->pFmt->dxOffset);
821 /* The left edge, stored in dxStartIndent affected just the first edge */
822 startX = firstX - ME_twips2pointsX(c, para->pFmt->dxStartIndent);
823 rowY = c->pt.y + para->pt.y;
824 if (para->pFmt->dwMask & PFM_SPACEBEFORE)
825 rowY += ME_twips2pointsY(c, para->pFmt->dySpaceBefore);
826 nHeight = ME_FindItemFwd(paragraph, diStartRow)->member.row.nHeight;
827 rowBottom = rowY + nHeight;
829 /* Draw horizontal lines */
830 MoveToEx(c->hDC, firstX, rowY, &oldPt);
831 i = para->pFmt->cTabCount - 1;
832 endX = startX + ME_twips2pointsX(c, para->pFmt->rgxTabs[i] & 0x00ffffff) + 1;
833 LineTo(c->hDC, endX, rowY);
834 pNextFmt = para->next_para->member.para.pFmt;
835 /* The bottom of the row only needs to be drawn if the next row is
837 if (!(pNextFmt && pNextFmt->dwMask & PFM_TABLE && pNextFmt->wEffects &&
840 /* Decrement rowBottom to draw the bottom line within the row, and
841 * to not draw over this line when drawing the vertical lines. */
843 MoveToEx(c->hDC, firstX, rowBottom, NULL);
844 LineTo(c->hDC, endX, rowBottom);
847 /* Draw vertical lines */
848 MoveToEx(c->hDC, firstX, rowY, NULL);
849 LineTo(c->hDC, firstX, rowBottom);
850 for (i = 0; i < para->pFmt->cTabCount; i++)
852 int rightBoundary = para->pFmt->rgxTabs[i] & 0x00ffffff;
853 endX = startX + ME_twips2pointsX(c, rightBoundary);
854 MoveToEx(c->hDC, endX, rowY, NULL);
855 LineTo(c->hDC, endX, rowBottom);
858 MoveToEx(c->hDC, oldPt.x, oldPt.y, NULL);
859 SelectObject(c->hDC, oldpen);
865 static void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph)
867 int align = SetTextAlign(c->hDC, TA_BASELINE);
870 ME_Paragraph *para = NULL;
873 int height = 0, baseline = 0, no=0;
874 BOOL visible = FALSE;
877 rc.right = c->rcView.right;
880 para = ¶graph->member.para;
881 y = c->pt.y + para->pt.y;
884 ME_Cell *cell = ¶->pCell->member.cell;
885 rc.left = c->pt.x + cell->pt.x;
886 rc.right = rc.left + cell->nWidth;
888 if (para->nFlags & MEPF_ROWSTART) {
889 ME_Cell *cell = ¶->next_para->member.para.pCell->member.cell;
890 rc.right = c->pt.x + cell->pt.x;
891 } else if (para->nFlags & MEPF_ROWEND) {
892 ME_Cell *cell = ¶->prev_para->member.para.pCell->member.cell;
893 rc.left = c->pt.x + cell->pt.x + cell->nWidth;
895 ME_DrawParaDecoration(c, para, y, &bounds);
897 if (bounds.left || bounds.right) {
898 rc.left = max(rc.left, c->pt.x + bounds.left);
899 rc.right = min(rc.right, c->pt.x - bounds.right
900 + max(c->editor->sizeWindow.cx,
901 c->editor->nTotalWidth));
904 for (p = paragraph->next; p != para->next_para; p = p->next)
913 if (para->nFlags & (MEPF_ROWSTART|MEPF_ROWEND)) {
914 rc.bottom = y + para->nHeight;
916 rc.bottom = y + p->member.row.nHeight;
918 visible = RectVisible(c->hDC, &rc);
920 FillRect(c->hDC, &rc, c->editor->hbrBackground);
924 /* If scrolled to the right past the end of the text, then
925 * there may be space to the right of the paragraph border. */
926 RECT rcAfterBrdr = rc;
927 rcAfterBrdr.left = rc.right + bounds.right;
928 rcAfterBrdr.right = c->rcView.right;
929 if (RectVisible(c->hDC, &rcAfterBrdr))
930 FillRect(c->hDC, &rcAfterBrdr, c->editor->hbrBackground);
934 const WCHAR wszRowDebug[] = {'r','o','w','[','%','d',']',0};
937 wsprintfW(buf, wszRowDebug, no);
939 ME_DebugWrite(c->hDC, &pt, buf);
942 height = p->member.row.nHeight;
943 baseline = p->member.row.nBaseline;
947 run = &p->member.run;
948 if (visible && me_debug) {
950 rc.left = c->pt.x + run->pt.x;
951 rc.right = rc.left + run->nWidth;
952 rc.top = c->pt.y + para->pt.y + run->pt.y;
953 rc.bottom = rc.top + height;
954 TRACE("rc = (%d, %d, %d, %d)\n", rc.left, rc.top, rc.right, rc.bottom);
955 FrameRect(c->hDC, &rc, GetSysColorBrush(COLOR_GRAYTEXT));
958 ME_DrawRun(c, c->pt.x + run->pt.x,
959 c->pt.y + para->pt.y + run->pt.y + baseline, p, para);
962 const WCHAR wszRunDebug[] = {'[','%','d',':','%','x',']',' ','%','l','s',0};
965 pt.x = c->pt.x + run->pt.x;
966 pt.y = c->pt.y + para->pt.y + run->pt.y;
967 wsprintfW(buf, wszRunDebug, no, p->member.run.nFlags, get_text( &p->member.run, 0 ));
968 ME_DebugWrite(c->hDC, &pt, buf);
972 /* Clear any space at the bottom of the cell after the text. */
973 if (para->nFlags & (MEPF_ROWSTART|MEPF_ROWEND))
976 rc.top = c->pt.y + para->pt.y + para->nHeight;
977 rc.bottom = c->pt.y + p->member.cell.pt.y + p->member.cell.nHeight;
978 if (RectVisible(c->hDC, &rc))
980 FillRect(c->hDC, &rc, c->editor->hbrBackground);
989 ME_DrawTableBorders(c, paragraph);
991 SetTextAlign(c->hDC, align);
994 void ME_ScrollAbs(ME_TextEditor *editor, int x, int y)
996 BOOL bScrollBarIsVisible, bScrollBarWillBeVisible;
997 int scrollX = 0, scrollY = 0;
999 if (editor->horz_si.nPos != x) {
1000 x = min(x, editor->horz_si.nMax);
1001 x = max(x, editor->horz_si.nMin);
1002 scrollX = editor->horz_si.nPos - x;
1003 editor->horz_si.nPos = x;
1004 if (editor->horz_si.nMax > 0xFFFF) /* scale to 16-bit value */
1005 x = MulDiv(x, 0xFFFF, editor->horz_si.nMax);
1006 ITextHost_TxSetScrollPos(editor->texthost, SB_HORZ, x, TRUE);
1009 if (editor->vert_si.nPos != y) {
1010 y = min(y, editor->vert_si.nMax - (int)editor->vert_si.nPage);
1011 y = max(y, editor->vert_si.nMin);
1012 scrollY = editor->vert_si.nPos - y;
1013 editor->vert_si.nPos = y;
1014 if (editor->vert_si.nMax > 0xFFFF) /* scale to 16-bit value */
1015 y = MulDiv(y, 0xFFFF, editor->vert_si.nMax);
1016 ITextHost_TxSetScrollPos(editor->texthost, SB_VERT, y, TRUE);
1019 if (abs(scrollX) > editor->sizeWindow.cx ||
1020 abs(scrollY) > editor->sizeWindow.cy)
1021 ITextHost_TxInvalidateRect(editor->texthost, NULL, TRUE);
1023 ITextHost_TxScrollWindowEx(editor->texthost, scrollX, scrollY,
1024 &editor->rcFormat, &editor->rcFormat,
1025 NULL, NULL, SW_INVALIDATE);
1030 LONG winStyle = GetWindowLongW(editor->hWnd, GWL_STYLE);
1031 if (editor->styleFlags & WS_HSCROLL)
1033 bScrollBarIsVisible = (winStyle & WS_HSCROLL) != 0;
1034 bScrollBarWillBeVisible = (editor->nTotalWidth > editor->sizeWindow.cx
1035 && (editor->styleFlags & WS_HSCROLL))
1036 || (editor->styleFlags & ES_DISABLENOSCROLL);
1037 if (bScrollBarIsVisible != bScrollBarWillBeVisible)
1038 ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ,
1039 bScrollBarWillBeVisible);
1042 if (editor->styleFlags & WS_VSCROLL)
1044 bScrollBarIsVisible = (winStyle & WS_VSCROLL) != 0;
1045 bScrollBarWillBeVisible = (editor->nTotalLength > editor->sizeWindow.cy
1046 && (editor->styleFlags & WS_VSCROLL)
1047 && (editor->styleFlags & ES_MULTILINE))
1048 || (editor->styleFlags & ES_DISABLENOSCROLL);
1049 if (bScrollBarIsVisible != bScrollBarWillBeVisible)
1050 ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
1051 bScrollBarWillBeVisible);
1054 ME_UpdateScrollBar(editor);
1057 void ME_HScrollAbs(ME_TextEditor *editor, int x)
1059 ME_ScrollAbs(editor, x, editor->vert_si.nPos);
1062 void ME_VScrollAbs(ME_TextEditor *editor, int y)
1064 ME_ScrollAbs(editor, editor->horz_si.nPos, y);
1067 void ME_ScrollUp(ME_TextEditor *editor, int cy)
1069 ME_VScrollAbs(editor, editor->vert_si.nPos - cy);
1072 void ME_ScrollDown(ME_TextEditor *editor, int cy)
1074 ME_VScrollAbs(editor, editor->vert_si.nPos + cy);
1077 void ME_ScrollLeft(ME_TextEditor *editor, int cx)
1079 ME_HScrollAbs(editor, editor->horz_si.nPos - cx);
1082 void ME_ScrollRight(ME_TextEditor *editor, int cx)
1084 ME_HScrollAbs(editor, editor->horz_si.nPos + cx);
1087 /* Calculates the visibility after a call to SetScrollRange or
1088 * SetScrollInfo with SIF_RANGE. */
1089 static BOOL ME_PostSetScrollRangeVisibility(SCROLLINFO *si)
1091 if (si->fMask & SIF_DISABLENOSCROLL)
1094 /* This must match the check in SetScrollInfo to determine whether
1095 * to show or hide the scrollbars. */
1096 return si->nMin < si->nMax - max(si->nPage - 1, 0);
1099 void ME_UpdateScrollBar(ME_TextEditor *editor)
1101 /* Note that this is the only function that should ever call
1102 * SetScrollInfo with SIF_PAGE or SIF_RANGE. */
1105 BOOL bScrollBarWasVisible, bScrollBarWillBeVisible;
1107 if (ME_WrapMarkedParagraphs(editor))
1108 FIXME("ME_UpdateScrollBar had to call ME_WrapMarkedParagraphs\n");
1110 si.cbSize = sizeof(si);
1111 si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
1113 if (editor->styleFlags & ES_DISABLENOSCROLL)
1114 si.fMask |= SIF_DISABLENOSCROLL;
1116 /* Update horizontal scrollbar */
1117 bScrollBarWasVisible = editor->horz_si.nMax > editor->horz_si.nPage;
1118 bScrollBarWillBeVisible = editor->nTotalWidth > editor->sizeWindow.cx;
1119 if (editor->horz_si.nPos && !bScrollBarWillBeVisible)
1121 ME_HScrollAbs(editor, 0);
1122 /* ME_HScrollAbs will call this function,
1123 * so nothing else needs to be done here. */
1127 si.nMax = editor->nTotalWidth;
1128 si.nPos = editor->horz_si.nPos;
1129 si.nPage = editor->sizeWindow.cx;
1131 if (si.nMax != editor->horz_si.nMax ||
1132 si.nPage != editor->horz_si.nPage)
1134 TRACE("min=%d max=%d page=%d\n", si.nMin, si.nMax, si.nPage);
1135 editor->horz_si.nMax = si.nMax;
1136 editor->horz_si.nPage = si.nPage;
1137 if ((bScrollBarWillBeVisible || bScrollBarWasVisible) &&
1138 editor->styleFlags & WS_HSCROLL)
1140 if (si.nMax > 0xFFFF)
1142 /* Native scales the scrollbar info to 16-bit external values. */
1143 si.nPos = MulDiv(si.nPos, 0xFFFF, si.nMax);
1147 SetScrollInfo(editor->hWnd, SB_HORZ, &si, TRUE);
1149 ITextHost_TxSetScrollRange(editor->texthost, SB_HORZ, si.nMin, si.nMax, FALSE);
1150 ITextHost_TxSetScrollPos(editor->texthost, SB_HORZ, si.nPos, TRUE);
1152 /* SetScrollInfo or SetScrollRange change scrollbar visibility. */
1153 bScrollBarWasVisible = ME_PostSetScrollRangeVisibility(&si);
1157 if (editor->styleFlags & WS_HSCROLL)
1159 if (si.fMask & SIF_DISABLENOSCROLL) {
1160 bScrollBarWillBeVisible = TRUE;
1161 } else if (!(editor->styleFlags & WS_HSCROLL)) {
1162 bScrollBarWillBeVisible = FALSE;
1165 if (bScrollBarWasVisible != bScrollBarWillBeVisible)
1166 ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, bScrollBarWillBeVisible);
1169 /* Update vertical scrollbar */
1170 bScrollBarWasVisible = editor->vert_si.nMax > editor->vert_si.nPage;
1171 bScrollBarWillBeVisible = editor->nTotalLength > editor->sizeWindow.cy &&
1172 (editor->styleFlags & ES_MULTILINE);
1174 if (editor->vert_si.nPos && !bScrollBarWillBeVisible)
1176 ME_VScrollAbs(editor, 0);
1177 /* ME_VScrollAbs will call this function,
1178 * so nothing else needs to be done here. */
1182 si.nMax = editor->nTotalLength;
1183 si.nPos = editor->vert_si.nPos;
1184 si.nPage = editor->sizeWindow.cy;
1186 if (si.nMax != editor->vert_si.nMax ||
1187 si.nPage != editor->vert_si.nPage)
1189 TRACE("min=%d max=%d page=%d\n", si.nMin, si.nMax, si.nPage);
1190 editor->vert_si.nMax = si.nMax;
1191 editor->vert_si.nPage = si.nPage;
1192 if ((bScrollBarWillBeVisible || bScrollBarWasVisible) &&
1193 editor->styleFlags & WS_VSCROLL)
1195 if (si.nMax > 0xFFFF)
1197 /* Native scales the scrollbar info to 16-bit external values. */
1198 si.nPos = MulDiv(si.nPos, 0xFFFF, si.nMax);
1202 SetScrollInfo(editor->hWnd, SB_VERT, &si, TRUE);
1204 ITextHost_TxSetScrollRange(editor->texthost, SB_VERT, si.nMin, si.nMax, FALSE);
1205 ITextHost_TxSetScrollPos(editor->texthost, SB_VERT, si.nPos, TRUE);
1207 /* SetScrollInfo or SetScrollRange change scrollbar visibility. */
1208 bScrollBarWasVisible = ME_PostSetScrollRangeVisibility(&si);
1212 if (editor->styleFlags & WS_VSCROLL)
1214 if (si.fMask & SIF_DISABLENOSCROLL) {
1215 bScrollBarWillBeVisible = TRUE;
1216 } else if (!(editor->styleFlags & WS_VSCROLL)) {
1217 bScrollBarWillBeVisible = FALSE;
1220 if (bScrollBarWasVisible != bScrollBarWillBeVisible)
1221 ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
1222 bScrollBarWillBeVisible);
1226 void ME_EnsureVisible(ME_TextEditor *editor, ME_Cursor *pCursor)
1228 ME_Run *pRun = &pCursor->pRun->member.run;
1229 ME_DisplayItem *pRow = ME_FindItemBack(pCursor->pRun, diStartRow);
1230 ME_DisplayItem *pPara = pCursor->pPara;
1236 if (editor->styleFlags & ES_AUTOHSCROLL)
1238 x = pRun->pt.x + ME_PointFromChar(editor, pRun, pCursor->nOffset);
1239 if (x > editor->horz_si.nPos + editor->sizeWindow.cx)
1240 x = x + 1 - editor->sizeWindow.cx;
1241 else if (x > editor->horz_si.nPos)
1242 x = editor->horz_si.nPos;
1244 if (~editor->styleFlags & ES_AUTOVSCROLL)
1246 ME_HScrollAbs(editor, x);
1250 if (~editor->styleFlags & ES_AUTOVSCROLL)
1252 x = editor->horz_si.nPos;
1255 y = pPara->member.para.pt.y + pRow->member.row.pt.y;
1256 yheight = pRow->member.row.nHeight;
1258 if (y < editor->vert_si.nPos)
1259 ME_ScrollAbs(editor, x, y);
1260 else if (y + yheight > editor->vert_si.nPos + editor->sizeWindow.cy)
1261 ME_ScrollAbs(editor, x, y + yheight - editor->sizeWindow.cy);
1262 else if (x != editor->horz_si.nPos)
1263 ME_ScrollAbs(editor, x, editor->vert_si.nPos);
1268 ME_InvalidateSelection(ME_TextEditor *editor)
1270 ME_DisplayItem *sel_start, *sel_end;
1271 ME_DisplayItem *repaint_start = NULL, *repaint_end = NULL;
1273 int len = ME_GetTextLength(editor);
1275 ME_GetSelectionOfs(editor, &nStart, &nEnd);
1276 /* if both old and new selection are 0-char (= caret only), then
1277 there's no (inverted) area to be repainted, neither old nor new */
1278 if (nStart == nEnd && editor->nLastSelStart == editor->nLastSelEnd)
1280 ME_WrapMarkedParagraphs(editor);
1281 ME_GetSelectionParas(editor, &sel_start, &sel_end);
1282 assert(sel_start->type == diParagraph);
1283 assert(sel_end->type == diParagraph);
1284 /* last selection markers aren't always updated, which means
1285 * they can point past the end of the document */
1286 if (editor->nLastSelStart > len || editor->nLastSelEnd > len) {
1287 repaint_start = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
1288 repaint_end = editor->pBuffer->pLast->member.para.prev_para;
1290 /* if the start part of selection is being expanded or contracted... */
1291 if (nStart < editor->nLastSelStart) {
1292 repaint_start = sel_start;
1293 repaint_end = editor->pLastSelStartPara;
1294 } else if (nStart > editor->nLastSelStart) {
1295 repaint_start = editor->pLastSelStartPara;
1296 repaint_end = sel_start;
1299 /* if the end part of selection is being contracted or expanded... */
1300 if (nEnd < editor->nLastSelEnd) {
1301 if (!repaint_start) repaint_start = sel_end;
1302 repaint_end = editor->pLastSelEndPara;
1303 } else if (nEnd > editor->nLastSelEnd) {
1304 if (!repaint_start) repaint_start = editor->pLastSelEndPara;
1305 repaint_end = sel_end;
1310 ME_InvalidateParagraphRange(editor, repaint_start, repaint_end);
1311 /* remember the last invalidated position */
1312 ME_GetSelectionOfs(editor, &editor->nLastSelStart, &editor->nLastSelEnd);
1313 ME_GetSelectionParas(editor, &editor->pLastSelStartPara, &editor->pLastSelEndPara);
1314 assert(editor->pLastSelStartPara->type == diParagraph);
1315 assert(editor->pLastSelEndPara->type == diParagraph);
1319 ME_SetZoom(ME_TextEditor *editor, int numerator, int denominator)
1321 /* TODO: Zoom images and objects */
1323 if (numerator == 0 && denominator == 0)
1325 editor->nZoomNumerator = editor->nZoomDenominator = 0;
1328 if (numerator <= 0 || denominator <= 0)
1330 if (numerator * 64 <= denominator || numerator / denominator >= 64)
1333 editor->nZoomNumerator = numerator;
1334 editor->nZoomDenominator = denominator;
1336 ME_RewrapRepaint(editor);