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QT5: implement TColorDialog.AlphaChannel and associated TColorDialogOption cdShowAlphaChannel.

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Bart 2024-12-14 16:49:48 +01:00
parent b511c5cafa
commit 8fd7e96fa5
1 changed files with 4 additions and 1 deletions
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5
lcl/interfaces/qt5/qtwsdialogs.pp
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@ -901,7 +901,7 @@ var
begin begin
AColor := ColorToRgb(ColorDialog.Color); AColor := ColorToRgb(ColorDialog.Color);
AQColor.Alpha := $FFFF; AQColor.Alpha := Word(ColorDialog.AlphaChannel) * $0101;
AQColor.ColorSpec := 1; AQColor.ColorSpec := 1;
AQColor.Pad := 0; AQColor.Pad := 0;
ColorRefToTQColor(AColor, AQColor); ColorRefToTQColor(AColor, AQColor);
@ -915,6 +915,8 @@ begin
ATitle := UTF8ToUTF16(ACommonDialog.Title); ATitle := UTF8ToUTF16(ACommonDialog.Title);
AQColorRet := Default(TQColor); AQColorRet := Default(TQColor);
AOptions := 0; // here we add possible options from ColorDialog.Options, see QColorDialogColorDialogOptions for possible options. AOptions := 0; // here we add possible options from ColorDialog.Options, see QColorDialogColorDialogOptions for possible options.
if (cdShowAlphaChannel in ColorDialog.Options) then
AOptions := AOptions or QColorDialogShowAlphaChannel;
QColorDialog_getColor(PQColor(@AQColorRet), PQColor(@AQColor), TQtWSCommonDialog.GetDialogParent(ACommonDialog), @ATitle, AOptions); QColorDialog_getColor(PQColor(@AQColorRet), PQColor(@AQColor), TQtWSCommonDialog.GetDialogParent(ACommonDialog), @ATitle, AOptions);
ReturnBool := AQColorRet.ColorSpec <> 0; ReturnBool := AQColorRet.ColorSpec <> 0;
@ -923,6 +925,7 @@ begin
begin begin
TQColorToColorRef(AQColorRet, AColor); TQColorToColorRef(AQColorRet, AColor);
ColorDialog.Color := AColor; ColorDialog.Color := AColor;
ColorDialog.AlphaChannel := AQColorRet.Alpha and $FF;
ColorDialog.UserChoice := mrOk ColorDialog.UserChoice := mrOk
end else end else
ColorDialog.UserChoice := mrCancel; ColorDialog.UserChoice := mrCancel;