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docking: improve text drawing in TDockHeader

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git-svn-id: trunk@14106 -
This commit is contained in:
paul 2008-02-12 09:09:31 +00:00
parent 258c1f15be
commit 8c92b3ba66
1 changed files with 7 additions and 16 deletions
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23
lcl/ldocktree.pas
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@ -431,20 +431,12 @@ class procedure TDockHeader.Draw(ACanvas: TCanvas; ACaption: String; DockBtnImag
var
BtnRect: TRect;
DrawRect: TRect;
TextStyle: TTextStyle;
// LCL dont handle orientation in TFont
OldFont, RotatedFont: HFONT;
OldMode: Integer;
ALogFont: TLogFont;
IsMouseDown: Boolean;
begin
TextStyle.Alignment := taLeftJustify;
TextStyle.SingleLine := True;
TextStyle.Clipping := False;
TextStyle.Opaque := False;
TextStyle.Wordbreak := False;
TextStyle.SystemFont := False;
TextStyle.RightToLeft := False;
DrawRect := ARect;
InflateRect(DrawRect, -1, -1);
ACanvas.Brush.Color := clBtnShadow;
@ -453,9 +445,6 @@ begin
IsMouseDown := (GetKeyState(VK_LBUTTON) and $80) <> 0;
// AIcon := LoadBitmapFromLazarusResource(IconName);
//
// draw close button
BtnRect := GetRectOfPart(ARect, AOrientation, ldhpCloseButton);
@ -467,16 +456,16 @@ begin
// draw caption
DrawRect := GetRectOfPart(ARect, AOrientation, ldhpCaption);
OldMode := SetBkMode(ACanvas.Handle, TRANSPARENT);
case AOrientation of
doHorizontal:
begin
TextStyle.Layout := tlCenter;
ACanvas.TextRect(DrawRect, DrawRect.Left, DrawRect.Top, ACaption, TextStyle);
DrawText(ACanvas.Handle, PChar(ACaption), -1, DrawRect, DT_LEFT or DT_SINGLELINE or DT_VCENTER);
end;
doVertical:
begin
TextStyle.Layout := tlBottom;
OldFont := 0;
if GetObject(ACanvas.Font.Reference.Handle, SizeOf(ALogFont), @ALogFont) <> 0 then
begin
@ -485,11 +474,13 @@ begin
if RotatedFont <> 0 then
OldFont := SelectObject(ACanvas.Handle, RotatedFont);
end;
ACanvas.TextRect(DrawRect, DrawRect.Left, DrawRect.Bottom, ACaption, TextStyle);
// from msdn: DrawText doesnot support font with orientation and escapement <> 0
TextOut(ACanvas.Handle, DrawRect.Left, DrawRect.Bottom, PChar(ACaption), Length(ACaption));
if OldFont <> 0 then
DeleteObject(SelectObject(ACanvas.Handle, OldFont));
end;
end;
SetBkMode(ACanvas.Handle, OldMode);
end;
class procedure TDockHeader.PerformMouseUp(AControl: TControl;