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Qt: draw splitter grabber for themes which doesn't implement it in Qt library. issue #27182

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git-svn-id: trunk@54122 -
This commit is contained in:
zeljko 2017-02-08 19:56:07 +00:00
parent b432dc7e42
commit 349fdc7200
1 changed files with 63 additions and 1 deletions
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64
lcl/interfaces/qt/qtthemes.pas
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@ -136,6 +136,60 @@ var
{$ENDIF}
dx, dy: integer;
APalette: QPaletteH;
procedure DrawSplitterInternal;
var
part: integer;
lx, ly, d, lt: Integer;
r1: TRect;
ALCLColor, ALCLColor2: TColor;
AQtColor: QColorH;
AColor: TQColor;
APalette: QPaletteH;
AColorRef: TColorRef;
begin
r1 := ARect;
APalette := QPalette_create;
try
QStyleOption_palette(opt, APalette);
AQtColor := QColor_create(QBrush_color(QPalette_background(APalette)));
QColor_darker(AQtColor, @AColor, 200);
TQColorToColorRef(AColor, AColorRef);
ALCLColor := RGBToColor(Red(AColorRef), Green(AColorRef), Blue(AColorRef));
QColor_lighter(AQtColor, @AColor, 128);
TQColorToColorRef(AColor, AColorRef);
ALCLColor2 := RGBToColor(Red(AColorRef), Green(AColorRef), Blue(AColorRef));
if StyleState and QStyleState_Horizontal = 0 then
begin
part := ((r1.Right - r1.Left) div 5) * 2;
lx := r1.left + 2 + part;
d := (r1.Bottom - r1.Top - 2) div 2;
lt := r1.Top + d + 1;
while lx < r1.Right - part do
begin
QtWidgetSet.DCSetPixel(DC, lx, lt, ALCLColor);
QtWidgetSet.DCSetPixel(DC, lx, lt - 1, ALCLColor2);
lx := lx + 4;
end;
end else
begin
part := ((r1.Bottom - r1.Top) div 5) * 2;
ly := r1.Bottom - 2 - part;
d := (r1.Right - r1.Left - 2) div 2;
lt := r1.Left + d + 1;
while ly > r1.Top + part do
begin
QtWidgetSet.DCSetPixel(DC, lt, ly, ALCLColor);
QtWidgetSet.DCSetPixel(DC, lt, ly - 1, ALCLColor2);
ly := ly - 4;
end;
end;
finally
QPalette_destroy(APalette);
QColor_destroy(AQtColor);
end;
end;
begin
if (Context <> nil) and not IsRectEmpty(R) then
begin
@ -262,8 +316,16 @@ begin
OffsetRect(ARect, -dx, -dy);
QStyleOption_setRect(opt, @ARect);
QStyle_drawControl(Style, Element.ControlElement, opt, Context.Widget, Context.Parent);
// issue #27182 qt does not implement splitter grabber in some themes.
if (Element.ControlElement = QStyleCE_Splitter) and
( (GetStyleName = 'windows') or (GetStyleName = 'breeze')
{$IFDEF MSWINDOWS} or true {$ENDIF}) then
drawSplitterInternal
else
QStyle_drawControl(Style, Element.ControlElement, opt, Context.Widget, Context.Parent);
Context.translate(-dx, -dy);
QStyleOption_Destroy(opt);
end;
qdvComplexControl: