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riched20: Move the white space painting operations to a common function.

This commit is contained in:
Huw Davies 2013-02-14 14:16:18 +00:00 committed by Alexandre Julliard
parent 4178de89ef
commit 4cbe94f42a
1 changed files with 72 additions and 55 deletions
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117
dlls/riched20/paint.c
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@ -228,54 +228,73 @@ static void get_underline_pen( ME_Style *style, COLORREF color, HPEN *pen )
return;
}
static void ME_HighlightSpace(ME_Context *c, int x, int y, LPCWSTR szText,
int nChars, ME_Style *s, int width,
int nSelFrom, int nSelTo, int ymin, int cy)
{
HDC hDC = c->hDC;
HGDIOBJ hOldFont = NULL;
SIZE sz;
int selWidth;
/* Only highlight if there is a selection in the run and when
* EM_HIDESELECTION is not being used to hide the selection. */
if (nSelFrom >= nChars || nSelTo < 0 || nSelFrom >= nSelTo
|| c->editor->bHideSelection)
return;
hOldFont = ME_SelectStyleFont(c, s);
if (width <= 0)
{
GetTextExtentPoint32W(hDC, szText, nChars, &sz);
width = sz.cx;
}
if (nSelFrom < 0) nSelFrom = 0;
if (nSelTo > nChars) nSelTo = nChars;
GetTextExtentPoint32W(hDC, szText, nSelFrom, &sz);
x += sz.cx;
if (nSelTo != nChars)
{
GetTextExtentPoint32W(hDC, szText+nSelFrom, nSelTo-nSelFrom, &sz);
selWidth = sz.cx;
} else {
selWidth = width - sz.cx;
}
ME_UnselectStyleFont(c, s, hOldFont);
if (c->editor->bEmulateVersion10)
PatBlt(hDC, x, ymin, selWidth, cy, DSTINVERT);
else
/*********************************************************************
* draw_space
*
* Draw the end-of-paragraph or tab space.
*
* If actually_draw is TRUE then ensure any underline is drawn.
*/
static void draw_space( ME_Context *c, ME_Run *run, int x, int y,
BOOL selected, BOOL actually_draw, int ymin, int cy )
{
HDC hdc = c->hDC;
BOOL old_style_selected = FALSE;
RECT rect;
HBRUSH hBrush;
rect.left = x;
rect.top = ymin;
rect.right = x + selWidth;
rect.bottom = ymin + cy;
hBrush = CreateSolidBrush(ITextHost_TxGetSysColor(c->editor->texthost,
COLOR_HIGHLIGHT));
FillRect(hDC, &rect, hBrush);
DeleteObject(hBrush);
COLORREF back_color = 0;
SetRect( &rect, x, ymin, x + run->nWidth, ymin + cy );
if (c->editor->bHideSelection) selected = FALSE;
if (c->editor->bEmulateVersion10)
{
old_style_selected = selected;
selected = FALSE;
}
if (selected)
back_color = ITextHost_TxGetSysColor( c->editor->texthost, COLOR_HIGHLIGHT );
if (actually_draw)
{
COLORREF text_color = get_text_color( c, run->style, selected );
COLORREF old_text, old_back;
HFONT old_font = NULL;
HPEN pen = NULL;
int y_offset = calc_y_offset( c, run->style );
static const WCHAR space[1] = {' '};
old_font = ME_SelectStyleFont( c, run->style );
old_text = SetTextColor( hdc, text_color );
if (selected) old_back = SetBkColor( hdc, back_color );
ExtTextOutW( hdc, x, y - y_offset, selected ? ETO_OPAQUE : 0, &rect, space, 1, &run->nWidth );
if (selected) SetBkColor( hdc, old_back );
SetTextColor( hdc, old_text );
ME_UnselectStyleFont( c, run->style, old_font );
get_underline_pen( run->style, text_color, &pen );
if (pen)
{
HPEN old_pen = SelectObject( hdc, pen );
MoveToEx( hdc, x, y - y_offset + 1, NULL );
LineTo( hdc, x + run->nWidth, y - y_offset + 1 );
SelectObject( hdc, old_pen );
DeleteObject( pen );
}
}
else if (selected)
{
HBRUSH brush = CreateSolidBrush( back_color );
FillRect( hdc, &rect, brush );
DeleteObject( brush );
}
if (old_style_selected)
PatBlt( hdc, x, ymin, run->nWidth, cy, DSTINVERT );
}
static void ME_DrawTextWithStyle(ME_Context *c, ME_Run *run, int x, int y, LPCWSTR szText,
int nChars, int nSelFrom, int nSelTo, int ymin, int cy)
@ -406,7 +425,6 @@ static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Pa
ME_DisplayItem *start;
int runofs = run->nCharOfs+para->nCharOfs;
int nSelFrom, nSelTo;
const WCHAR wszSpace[] = {' ', 0};
if (run->nFlags & MERF_HIDDEN)
return;
@ -419,7 +437,7 @@ static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Pa
{
if (runofs >= nSelFrom && runofs < nSelTo)
{
ME_HighlightSpace(c, x, y, wszSpace, 1, run->style, 0, 0, 1,
draw_space( c, run, x, y, TRUE, FALSE,
c->pt.y + para->pt.y + start->member.row.pt.y,
start->member.row.nHeight );
}
@ -428,10 +446,9 @@ static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Pa
if (run->nFlags & (MERF_TAB | MERF_ENDCELL))
{
/* wszSpace is used instead of the tab character because otherwise
* an unwanted symbol can be inserted instead. */
ME_DrawTextWithStyle(c, run, x, y, wszSpace, 1,
nSelFrom-runofs, nSelTo-runofs,
BOOL selected = runofs >= nSelFrom && runofs < nSelTo;
draw_space( c, run, x, y, selected, TRUE,
c->pt.y + para->pt.y + start->member.row.pt.y,
start->member.row.nHeight );
return;