riched20: Move the white space painting operations to a common function.
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4178de89ef
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@ -228,55 +228,74 @@ static void get_underline_pen( ME_Style *style, COLORREF color, HPEN *pen )
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return;
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}
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static void ME_HighlightSpace(ME_Context *c, int x, int y, LPCWSTR szText,
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int nChars, ME_Style *s, int width,
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int nSelFrom, int nSelTo, int ymin, int cy)
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/*********************************************************************
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* draw_space
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*
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* Draw the end-of-paragraph or tab space.
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*
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* If actually_draw is TRUE then ensure any underline is drawn.
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*/
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static void draw_space( ME_Context *c, ME_Run *run, int x, int y,
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BOOL selected, BOOL actually_draw, int ymin, int cy )
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{
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HDC hDC = c->hDC;
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HGDIOBJ hOldFont = NULL;
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SIZE sz;
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int selWidth;
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/* Only highlight if there is a selection in the run and when
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* EM_HIDESELECTION is not being used to hide the selection. */
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if (nSelFrom >= nChars || nSelTo < 0 || nSelFrom >= nSelTo
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|| c->editor->bHideSelection)
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return;
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hOldFont = ME_SelectStyleFont(c, s);
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if (width <= 0)
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{
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GetTextExtentPoint32W(hDC, szText, nChars, &sz);
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width = sz.cx;
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}
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if (nSelFrom < 0) nSelFrom = 0;
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if (nSelTo > nChars) nSelTo = nChars;
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GetTextExtentPoint32W(hDC, szText, nSelFrom, &sz);
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x += sz.cx;
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if (nSelTo != nChars)
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{
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GetTextExtentPoint32W(hDC, szText+nSelFrom, nSelTo-nSelFrom, &sz);
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selWidth = sz.cx;
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} else {
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selWidth = width - sz.cx;
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}
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ME_UnselectStyleFont(c, s, hOldFont);
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if (c->editor->bEmulateVersion10)
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PatBlt(hDC, x, ymin, selWidth, cy, DSTINVERT);
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else
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{
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HDC hdc = c->hDC;
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BOOL old_style_selected = FALSE;
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RECT rect;
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HBRUSH hBrush;
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rect.left = x;
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rect.top = ymin;
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rect.right = x + selWidth;
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rect.bottom = ymin + cy;
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hBrush = CreateSolidBrush(ITextHost_TxGetSysColor(c->editor->texthost,
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COLOR_HIGHLIGHT));
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FillRect(hDC, &rect, hBrush);
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DeleteObject(hBrush);
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}
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COLORREF back_color = 0;
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SetRect( &rect, x, ymin, x + run->nWidth, ymin + cy );
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if (c->editor->bHideSelection) selected = FALSE;
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if (c->editor->bEmulateVersion10)
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{
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old_style_selected = selected;
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selected = FALSE;
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}
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if (selected)
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back_color = ITextHost_TxGetSysColor( c->editor->texthost, COLOR_HIGHLIGHT );
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if (actually_draw)
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{
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COLORREF text_color = get_text_color( c, run->style, selected );
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COLORREF old_text, old_back;
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HFONT old_font = NULL;
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HPEN pen = NULL;
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int y_offset = calc_y_offset( c, run->style );
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static const WCHAR space[1] = {' '};
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old_font = ME_SelectStyleFont( c, run->style );
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old_text = SetTextColor( hdc, text_color );
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if (selected) old_back = SetBkColor( hdc, back_color );
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ExtTextOutW( hdc, x, y - y_offset, selected ? ETO_OPAQUE : 0, &rect, space, 1, &run->nWidth );
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if (selected) SetBkColor( hdc, old_back );
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SetTextColor( hdc, old_text );
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ME_UnselectStyleFont( c, run->style, old_font );
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get_underline_pen( run->style, text_color, &pen );
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if (pen)
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{
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HPEN old_pen = SelectObject( hdc, pen );
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MoveToEx( hdc, x, y - y_offset + 1, NULL );
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LineTo( hdc, x + run->nWidth, y - y_offset + 1 );
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SelectObject( hdc, old_pen );
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DeleteObject( pen );
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}
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}
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else if (selected)
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{
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HBRUSH brush = CreateSolidBrush( back_color );
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FillRect( hdc, &rect, brush );
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DeleteObject( brush );
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}
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if (old_style_selected)
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PatBlt( hdc, x, ymin, run->nWidth, cy, DSTINVERT );
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}
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static void ME_DrawTextWithStyle(ME_Context *c, ME_Run *run, int x, int y, LPCWSTR szText,
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int nChars, int nSelFrom, int nSelTo, int ymin, int cy)
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{
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@ -406,7 +425,6 @@ static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Pa
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ME_DisplayItem *start;
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int runofs = run->nCharOfs+para->nCharOfs;
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int nSelFrom, nSelTo;
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const WCHAR wszSpace[] = {' ', 0};
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if (run->nFlags & MERF_HIDDEN)
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return;
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@ -419,21 +437,20 @@ static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Pa
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{
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if (runofs >= nSelFrom && runofs < nSelTo)
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{
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ME_HighlightSpace(c, x, y, wszSpace, 1, run->style, 0, 0, 1,
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c->pt.y + para->pt.y + start->member.row.pt.y,
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start->member.row.nHeight);
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draw_space( c, run, x, y, TRUE, FALSE,
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c->pt.y + para->pt.y + start->member.row.pt.y,
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start->member.row.nHeight );
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}
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return;
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}
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if (run->nFlags & (MERF_TAB | MERF_ENDCELL))
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{
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/* wszSpace is used instead of the tab character because otherwise
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* an unwanted symbol can be inserted instead. */
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ME_DrawTextWithStyle(c, run, x, y, wszSpace, 1,
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nSelFrom-runofs, nSelTo-runofs,
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c->pt.y + para->pt.y + start->member.row.pt.y,
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start->member.row.nHeight);
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BOOL selected = runofs >= nSelFrom && runofs < nSelTo;
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draw_space( c, run, x, y, selected, TRUE,
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c->pt.y + para->pt.y + start->member.row.pt.y,
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start->member.row.nHeight );
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return;
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}
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