From 7c5f4b62829c4efa7ee754d566c45a0be0ace440 Mon Sep 17 00:00:00 2001 From: fvogel Date: Tue, 9 Feb 2016 21:44:23 +0000 Subject: -overstrikefg tag configuration option: implementation --- generic/tkText.c | 1 + generic/tkText.h | 2 ++ generic/tkTextDisp.c | 20 +++++++++++++++++--- generic/tkTextTag.c | 8 +++++++- 4 files changed, 27 insertions(+), 4 deletions(-) diff --git a/generic/tkText.c b/generic/tkText.c index 7010601..19dce65 100644 --- a/generic/tkText.c +++ b/generic/tkText.c @@ -2294,6 +2294,7 @@ ConfigureText( || (textPtr->selTagPtr->fgStipple != None) || (textPtr->selTagPtr->selFgStipple != None) || (textPtr->selTagPtr->overstrikeString != NULL) + || (textPtr->selTagPtr->overstrikeColor != NULL) || (textPtr->selTagPtr->underlineString != NULL) || (textPtr->selTagPtr->underlineColor != NULL)) { textPtr->selTagPtr->affectsDisplay = 1; diff --git a/generic/tkText.h b/generic/tkText.h index 815841c..242785a 100644 --- a/generic/tkText.h +++ b/generic/tkText.h @@ -358,6 +358,8 @@ typedef struct TkTextTag { int overstrike; /* Non-zero means draw horizontal line through * middle of text. Only valid if * overstrikeString is non-NULL. */ + XColor *overstrikeColor; /* Color for the overstrike. NULL means same + * color as foreground. */ char *rMarginString; /* -rmargin option string (malloc-ed). NULL * means option not specified. */ int rMargin; /* Right margin for text, in pixels. Only diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c index f246818..b74c6db 100644 --- a/generic/tkTextDisp.c +++ b/generic/tkTextDisp.c @@ -140,6 +140,8 @@ typedef struct StyleValues { * baseline of line. */ int overstrike; /* Non-zero means draw overstrike through * text. */ + XColor *overstrikeColor; /* Foreground color for overstrike through + * text. */ int rMargin; /* Right margin, in pixels. */ int spacing1; /* Spacing above first dline in text line. */ int spacing2; /* Spacing between lines of dline. */ @@ -168,8 +170,9 @@ typedef struct TextStyle { * referenced in Chunks. */ GC bgGC; /* Graphics context for background. None means * use widget background. */ - GC ulGC; /* Graphics context for underline. */ GC fgGC; /* Graphics context for foreground. */ + GC ulGC; /* Graphics context for underline. */ + GC ovGC; /* Graphics context for overstrike. */ StyleValues *sValuePtr; /* Raw information from which GCs were * derived. */ Tcl_HashEntry *hPtr; /* Pointer to entry in styleTable. Used to @@ -782,6 +785,7 @@ GetStyle( styleValues.relief = TK_RELIEF_FLAT; styleValues.fgColor = textPtr->fgColor; styleValues.underlineColor = textPtr->fgColor; + styleValues.overstrikeColor = textPtr->fgColor; styleValues.tkfont = textPtr->tkfont; styleValues.justify = TK_JUSTIFY_LEFT; styleValues.spacing1 = textPtr->spacing1; @@ -906,6 +910,11 @@ GetStyle( && (tagPtr->priority > overstrikePrio)) { styleValues.overstrike = tagPtr->overstrike; overstrikePrio = tagPtr->priority; + if (tagPtr->overstrikeColor != None) { + styleValues.overstrikeColor = tagPtr->overstrikeColor; + } else if (fgColor != None) { + styleValues.overstrikeColor = fgColor; + } } if ((tagPtr->rMarginString != NULL) && (tagPtr->priority > rMarginPrio)) { @@ -1005,6 +1014,8 @@ GetStyle( mask = GCForeground; gcValues.foreground = styleValues.underlineColor->pixel; stylePtr->ulGC = Tk_GetGC(textPtr->tkwin, mask, &gcValues); + gcValues.foreground = styleValues.overstrikeColor->pixel; + stylePtr->ovGC = Tk_GetGC(textPtr->tkwin, mask, &gcValues); stylePtr->sValuePtr = (StyleValues *) Tcl_GetHashKey(&textPtr->dInfoPtr->styleTable, hPtr); stylePtr->hPtr = hPtr; @@ -1048,6 +1059,9 @@ FreeStyle( if (stylePtr->ulGC != None) { Tk_FreeGC(textPtr->display, stylePtr->ulGC); } + if (stylePtr->ovGC != None) { + Tk_FreeGC(textPtr->display, stylePtr->ovGC); + } Tcl_DeleteHashEntry(stylePtr->hPtr); ckfree(stylePtr); } @@ -7901,7 +7915,7 @@ CharDisplayProc( Tk_FontMetrics fm; Tk_GetFontMetrics(sValuePtr->tkfont, &fm); - TkUnderlineCharsInContext(display, dst, stylePtr->fgGC, + TkUnderlineCharsInContext(display, dst, stylePtr->ovGC, sValuePtr->tkfont, string, numBytes, ciPtr->baseChunkPtr->x + xDisplacement, y + baseline - sValuePtr->offset @@ -7928,7 +7942,7 @@ CharDisplayProc( Tk_FontMetrics fm; Tk_GetFontMetrics(sValuePtr->tkfont, &fm); - Tk_UnderlineChars(display, dst, stylePtr->fgGC, sValuePtr->tkfont, + Tk_UnderlineChars(display, dst, stylePtr->ovGC, sValuePtr->tkfont, string, offsetX, y + baseline - sValuePtr->offset - fm.descent - (fm.ascent * 3) / 10, diff --git a/generic/tkTextTag.c b/generic/tkTextTag.c index ed0ef98..e268352 100644 --- a/generic/tkTextTag.c +++ b/generic/tkTextTag.c @@ -66,6 +66,9 @@ static const Tk_OptionSpec tagOptionSpecs[] = { {TK_OPTION_STRING, "-overstrike", NULL, NULL, NULL, -1, Tk_Offset(TkTextTag, overstrikeString), TK_OPTION_NULL_OK, 0, 0}, + {TK_OPTION_COLOR, "-overstrikefg", NULL, NULL, + NULL, -1, Tk_Offset(TkTextTag, overstrikeColor), + TK_OPTION_NULL_OK, 0, 0}, {TK_OPTION_STRING, "-relief", NULL, NULL, NULL, -1, Tk_Offset(TkTextTag, reliefString), TK_OPTION_NULL_OK, 0, 0}, {TK_OPTION_STRING, "-rmargin", NULL, NULL, @@ -93,7 +96,8 @@ static const Tk_OptionSpec tagOptionSpecs[] = { NULL, -1, Tk_Offset(TkTextTag, underlineString), TK_OPTION_NULL_OK, 0, 0}, {TK_OPTION_COLOR, "-underlinefg", NULL, NULL, - NULL, -1, Tk_Offset(TkTextTag, underlineColor), TK_OPTION_NULL_OK, 0, 0}, + NULL, -1, Tk_Offset(TkTextTag, underlineColor), + TK_OPTION_NULL_OK, 0, 0}, {TK_OPTION_STRING_TABLE, "-wrap", NULL, NULL, NULL, -1, Tk_Offset(TkTextTag, wrapMode), TK_OPTION_NULL_OK, wrapStrings, 0}, @@ -536,6 +540,7 @@ TkTextTagCmd( || (tagPtr->fgStipple != None) || (tagPtr->selFgStipple != None) || (tagPtr->overstrikeString != NULL) + || (tagPtr->overstrikeColor != NULL) || (tagPtr->underlineString != NULL) || (tagPtr->underlineColor != NULL)) { tagPtr->affectsDisplay = 1; @@ -1038,6 +1043,7 @@ TkTextCreateTag( tagPtr->offset = 0; tagPtr->overstrikeString = NULL; tagPtr->overstrike = 0; + tagPtr->overstrikeColor = NULL; tagPtr->rMarginString = NULL; tagPtr->rMargin = 0; tagPtr->selBorder = NULL; -- cgit v0.12