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SynEdit, highlight: fix inverting styles

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git-svn-id: trunk@27710 -
This commit is contained in:
martin 2010-10-15 00:44:58 +00:00
parent 276625f65d
commit ae56cb323a
2 changed files with 38 additions and 5 deletions
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5
components/synedit/synedit.pp
View File

@ -3572,7 +3572,10 @@ var
FPaintLineColor.FrameStyle := attr.FrameStyle;
FPaintLineColor.FrameEdges := attr.FrameEdges;
FPaintLineColor.Style := attr.Style;
FPaintLineColor.StyleMask := attr.StyleMask;
// TSynSelectedColor.Style and StyleMask describe how to modify a style,
// but FPaintLineColor contains an actual style
FPaintLineColor.MergeFinalStyle := True;
FPaintLineColor.StyleMask := [];
if FPaintLineColor.Background = clNone then
FPaintLineColor.Background := colEditorBG;
if FPaintLineColor.Foreground = clNone then

38
components/synedit/syneditmiscclasses.pp
View File

@ -232,6 +232,10 @@ type
procedure SetStyleMask(const AValue : TFontStyles);
procedure DoChange;
public
// TSynSelectedColor.Style and StyleMask describe how to modify a style,
// but PaintLines creates an instance that contains an actual style (without mask)
// Todo: always start with actual style
MergeFinalStyle: Boolean;
procedure Merge(Other: TSynSelectedColor; LeftCol, RightCol: Integer);
procedure MergeFrames(Other: TSynSelectedColor; LeftCol, RightCol: Integer);
property FrameSideColors[Side: TSynFrameSide]: TColor read GetFrameSideColors;
@ -255,6 +259,10 @@ type
property FrameColor: TColor read FFrameColor write SetFrameColor default clNone;
property FrameStyle: TSynLineStyle read FFrameStyle write SetFrameStyle default slsSolid;
property FrameEdges: TSynFrameEdges read FFrameEdges write SetFrameEdges default sfeAround;
// FStyle = [], FStyleMask = [] ==> no modification
// FStyle = [fsBold], FStyleMask = [] ==> invert fsBold
// FStyle = [], FStyleMask = [fsBold] ==> clear fsBold
// FStyle = [fsBold], FStyleMask = [fsBold] ==> set fsBold
property Style: TFontStyles read FStyle write SetStyle default [];
property StyleMask: TFontStyles read fStyleMask write SetStyleMask default [];
end;
@ -477,6 +485,7 @@ end;
constructor TSynSelectedColor.Create;
begin
inherited Create;
MergeFinalStyle := False;
Clear;
FBG := clHighLight;
FFG := clHighLightText;
@ -599,14 +608,35 @@ end;
procedure TSynSelectedColor.Merge(Other: TSynSelectedColor; LeftCol, RightCol: Integer);
var
sMask: TFontStyles;
sSet, sClr, sInv, sInvInv, sKeep: TFontStyles;
begin
if Other.Background <> clNone then Background := Other.Background;
if Other.Foreground <> clNone then Foreground := Other.Foreground;
if Other.FrameColor <> clNone then MergeFrames(Other, LeftCol, RightCol);
sMask := Other.StyleMask + (fsNot(Other.StyleMask) * Other.Style); // Styles to be taken from Other
Style:= (Style * fsNot(sMask)) + (Other.Style * sMask);
StyleMask:= (StyleMask * fsNot(sMask)) + (Other.StyleMask * sMask);
sSet := Other.Style * Other.StyleMask;
sClr := fsNot(Other.Style) * Other.StyleMask;
sInv := Other.Style * fsNot(Other.StyleMask);
if MergeFinalStyle then begin
Style := fsXor(Style, sInv) + sSet - sClr;
end else begin
sKeep := fsNot(Other.Style) * fsNot(Other.StyleMask);
sInvInv := sInv * (Style * fsNot(StyleMask)); // invert * invert = not modified
sInv := sInv - sInvInv;
sSet := sSet + sInv * (fsnot(Style) * StyleMask); // currently not set
sClr := sClr + sInv * (Style * StyleMask); // currently set
sInv := sInv - StyleMask; // now SInv only inverts currently "not modifying"
Style := (Style * sKeep) + sSet - sClr - sInvInv + sInv;
StyleMask := (StyleMask * sKeep) + sSet + sClr - sInvInv - sInv;
end;
//sMask := Other.StyleMask // Styles to be taken from Other
// + (fsNot(Other.StyleMask) * Other.Style); // Styles to be inverted
//Style := (Style * fsNot(sMask)) // Styles that are neither taken, nor inverted
// + (Other.Style * sMask); // Styles that are either inverted or set
//StyleMask := (StyleMask * fsNot(sMask)) + (Other.StyleMask * sMask);
end;
procedure TSynSelectedColor.MergeFrames(Other: TSynSelectedColor; LeftCol, RightCol: Integer);