70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
#include "uipriv_qt5.hpp"
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#include <QColorDialog>
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#include <QPushButton>
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struct uiColorButton : public uiQt5Control {};
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static QColorDialog *findColorDialog(uiColorButton *b)
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{
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if (auto pushButton = uiValidateAndCastObjTo<QPushButton>(b)) {
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if (auto colorDialog = pushButton->findChild<QColorDialog*>()) {
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return colorDialog;
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}
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}
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qWarning("colorDialog not found?!");
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return nullptr;
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}
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void uiColorButtonColor(uiColorButton *b, double *r, double *g, double *bl, double *a)
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{
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if (auto colorDialog = findColorDialog(b)) {
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auto color = colorDialog->currentColor();
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*r = color.redF();
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*g = color.greenF();
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*bl = color.blueF();
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*a = color.alphaF();
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}
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}
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void uiColorButtonSetColor(uiColorButton *b, double r, double g, double bl, double a)
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{
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if (auto colorDialog = findColorDialog(b)) {
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auto color = QColor::fromRgbF(r,g,bl,a);
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colorDialog->setCurrentColor(color);
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emit colorDialog->colorSelected(color); // hacky?
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}
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}
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void uiColorButtonOnChanged(uiColorButton *b, void (*f)(uiColorButton *, void *), void *data)
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{
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if (auto colorDialog = findColorDialog(b)) {
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QObject::connect(colorDialog, &QColorDialog::colorSelected, colorDialog, [f,b,data]{
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f(b,data);
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}, Qt::UniqueConnection);
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}
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}
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uiColorButton *uiNewColorButton(void)
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{
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auto pushButton = new QPushButton;
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pushButton->setObjectName("colorButton"); // so we can target just this button with stylesheet
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// persisting this dialog in the background simplies things, but not a good partice
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auto colorDialog = new QColorDialog(pushButton);
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auto updateColor = [pushButton](const QColor &color) {
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// quick and dirty, probably not ideal, doesn't show transperency in anyway
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auto qssColorString = QStringLiteral("rgb(%1,%2,%3)").arg(color.red()).arg(color.green()).arg(color.blue());
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pushButton->setStyleSheet(QStringLiteral("#colorButton {background-color: %1;}").arg(qssColorString));
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};
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QObject::connect(colorDialog, &QColorDialog::colorSelected, pushButton, updateColor);
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updateColor({}); // set initial color (black)
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QObject::connect(pushButton, &QPushButton::clicked, colorDialog, &QColorDialog::show);
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// note styling is being set in main.cpp -> styleSheet
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return uiAllocQt5ControlType(uiColorButton,pushButton,uiQt5Control::DeleteControlOnQObjectFree);
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}
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