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[CONSRV]: Support underline code COMMON_LVB_UNDERSCORE in the console via CreateFont* API.

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svn path=/branches/condrv_restructure/; revision=63864
This commit is contained in:
Hermès Bélusca-Maïto 2014-08-11 14:38:07 +00:00
parent 23f16979ac
commit 1581bcfc02
1 changed files with 81 additions and 5 deletions
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86
win32ss/user/winsrv/consrv/frontends/gui/text.c
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@ -24,7 +24,8 @@
/* FUNCTIONS ******************************************************************/
COLORREF PaletteRGBFromAttrib(PCONSOLE Console, WORD Attribute)
static COLORREF
PaletteRGBFromAttrib(PCONSOLE Console, WORD Attribute)
{
HPALETTE hPalette = Console->ActiveBuffer->PaletteHandle;
PALETTEENTRY pe;
@ -35,6 +36,44 @@ COLORREF PaletteRGBFromAttrib(PCONSOLE Console, WORD Attribute)
return PALETTERGB(pe.peRed, pe.peGreen, pe.peBlue);
}
static HFONT
ChangeFontAttributes(PGUI_CONSOLE_DATA GuiData,
// COORD FontSize,
ULONG FontWeight,
BOOLEAN bItalic,
BOOLEAN bUnderline,
BOOLEAN bStrikeOut)
{
HFONT NewFont;
LOGFONT lf;
/* Initialize the LOGFONT structure */
RtlZeroMemory(&lf, sizeof(lf));
/* Retrieve the details of the current font */
if (GetObject(GuiData->Font, sizeof(lf), &lf) == 0)
return NULL; // GuiData->Font;
/* Change the font attributes */
// lf.lfHeight = FontSize.Y;
// lf.lfWidth = FontSize.X;
lf.lfWeight = FontWeight;
lf.lfItalic = bItalic;
lf.lfUnderline = bUnderline;
lf.lfStrikeOut = bStrikeOut;
/* Build a new font */
NewFont = CreateFontIndirect(&lf);
if (NewFont == NULL)
return NULL; // GuiData->Font;
// FIXME: Do we need to update GuiData->CharWidth and GuiData->CharHeight ??
/* Select it (return the old font) */
// return SelectObject(GuiData->hMemDC, NewFont);
return NewFont;
}
static VOID
CopyBlock(PTEXTMODE_SCREEN_BUFFER Buffer,
PSMALL_RECT Selection)
@ -348,7 +387,8 @@ GuiPaintTextModeBuffer(PTEXTMODE_SCREEN_BUFFER Buffer,
WORD LastAttribute, Attribute;
ULONG CursorX, CursorY, CursorHeight;
HBRUSH CursorBrush, OldBrush;
HFONT OldFont;
HFONT OldFont, NewFont;
BOOLEAN IsUnderscore;
if (Buffer->Buffer == NULL) return;
@ -372,7 +412,18 @@ GuiPaintTextModeBuffer(PTEXTMODE_SCREEN_BUFFER Buffer,
SetTextColor(GuiData->hMemDC, PaletteRGBFromAttrib(Console, TextAttribFromAttrib(LastAttribute)));
SetBkColor(GuiData->hMemDC, PaletteRGBFromAttrib(Console, BkgdAttribFromAttrib(LastAttribute)));
OldFont = SelectObject(GuiData->hMemDC, GuiData->Font);
// OldFont = ChangeFontAttributes(GuiData, /* {0}, */ GuiData->GuiInfo.FontWeight, FALSE, FALSE, FALSE);
IsUnderscore = !!(LastAttribute & COMMON_LVB_UNDERSCORE);
NewFont = ChangeFontAttributes(GuiData, /* {0}, */ GuiData->GuiInfo.FontWeight,
FALSE,
IsUnderscore,
FALSE);
if (NewFont == NULL)
{
DPRINT1("ChangeFontAttributes failed, use the original font\n");
NewFont = GuiData->Font;
}
OldFont = SelectObject(GuiData->hMemDC, NewFont);
for (Line = TopLine; Line <= BottomLine; Line++)
{
@ -399,9 +450,31 @@ GuiPaintTextModeBuffer(PTEXTMODE_SCREEN_BUFFER Buffer,
Attribute = From->Attributes;
if (Attribute != LastAttribute)
{
SetTextColor(GuiData->hMemDC, PaletteRGBFromAttrib(Console, TextAttribFromAttrib(Attribute)));
SetBkColor(GuiData->hMemDC, PaletteRGBFromAttrib(Console, BkgdAttribFromAttrib(Attribute)));
LastAttribute = Attribute;
SetTextColor(GuiData->hMemDC, PaletteRGBFromAttrib(Console, TextAttribFromAttrib(LastAttribute)));
SetBkColor(GuiData->hMemDC, PaletteRGBFromAttrib(Console, BkgdAttribFromAttrib(LastAttribute)));
/* Change underscore state if needed */
if (!!(LastAttribute & COMMON_LVB_UNDERSCORE) != IsUnderscore)
{
IsUnderscore = !!(LastAttribute & COMMON_LVB_UNDERSCORE);
/* Delete the font we used up to now */
// SelectObject(GuiData->hMemDC, OldFont);
if (NewFont != GuiData->Font) DeleteObject(NewFont);
/* Recreate it */
NewFont = ChangeFontAttributes(GuiData, /* {0}, */ GuiData->GuiInfo.FontWeight,
FALSE,
IsUnderscore,
FALSE);
if (NewFont == NULL)
{
DPRINT1("ChangeFontAttributes failed, use the original font\n");
NewFont = GuiData->Font;
}
/* Select it */
/* OldFont = */ SelectObject(GuiData->hMemDC, NewFont);
}
}
}
@ -441,12 +514,15 @@ GuiPaintTextModeBuffer(PTEXTMODE_SCREEN_BUFFER Buffer,
GuiData->CharWidth,
CursorHeight,
PATCOPY);
SelectObject(GuiData->hMemDC, OldBrush);
DeleteObject(CursorBrush);
}
}
/* Restore the old font and delete the font we used up to now */
SelectObject(GuiData->hMemDC, OldFont);
if (NewFont != GuiData->Font) DeleteObject(NewFont);
LeaveCriticalSection(&Console->Lock);
}