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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#import <UIKit/UIKit.h>
#include <QtGui/qwindow.h>
#include <QDebug>
#include <QtCore/private/qcore_mac_p.h>
#include "qioscolordialog.h"
#include "qiosintegration.h"
@interface QIOSColorDialogController : UIColorPickerViewController <UIColorPickerViewControllerDelegate,
UIAdaptivePresentationControllerDelegate>
@end
@implementation QIOSColorDialogController {
QIOSColorDialog *m_colorDialog;
}
- (instancetype)initWithQIOSColorDialog:(QIOSColorDialog *)dialog
{
if (self = [super init]) {
m_colorDialog = dialog;
self.delegate = self;
self.presentationController.delegate = self;
self.supportsAlpha = dialog->options()->testOption(QColorDialogOptions::ShowAlphaChannel);
}
return self;
}
- (void)setQColor:(const QColor &)qColor
{
UIColor *uiColor;
const QColor::Spec spec = qColor.spec();
if (spec == QColor::Hsv) {
uiColor = [UIColor colorWithHue:qColor.hsvHueF()
saturation:qColor.hsvSaturationF()
brightness:qColor.valueF()
alpha:qColor.alphaF()];
} else {
uiColor = [UIColor colorWithRed:qColor.redF()
green:qColor.greenF()
blue:qColor.blueF()
alpha:qColor.alphaF()];
}
self.selectedColor = uiColor;
}
- (void)updateQColor
{
UIColor *color = self.selectedColor;
CGFloat red = 0, green = 0, blue = 0, alpha = 0;
QColor newColor;
if ([color getRed:&red green:&green blue:&blue alpha:&alpha])
newColor.setRgbF(red, green, blue, alpha);
else
qWarning() << "Incompatible color space";
if (m_colorDialog) {
m_colorDialog->updateColor(newColor);
emit m_colorDialog->currentColorChanged(newColor);
}
}
// ----------------------UIColorPickerViewControllerDelegate--------------------------
- (void)colorPickerViewControllerDidSelectColor:(UIColorPickerViewController *)viewController
{
Q_UNUSED(viewController);
[self updateQColor];
}
- (void)colorPickerViewControllerDidFinish:(UIColorPickerViewController *)viewController
{
Q_UNUSED(viewController);
[self updateQColor];
emit m_colorDialog->accept();
}
// ----------------------UIAdaptivePresentationControllerDelegate--------------------------
- (void)presentationControllerDidDismiss:(UIPresentationController *)presentationController
{
Q_UNUSED(presentationController);
emit m_colorDialog->reject();
}
@end
QIOSColorDialog::QIOSColorDialog()
: m_viewController(nullptr)
{
}
QIOSColorDialog::~QIOSColorDialog()
{
hide();
}
void QIOSColorDialog::exec()
{
m_eventLoop.exec(QEventLoop::DialogExec);
}
bool QIOSColorDialog::show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent)
{
Q_UNUSED(windowFlags);
if (!m_viewController) {
m_viewController = [[QIOSColorDialogController alloc] initWithQIOSColorDialog:this];
if (m_currentColor.isValid())
[m_viewController setQColor:m_currentColor];
}
if (windowModality == Qt::ApplicationModal || windowModality == Qt::WindowModal)
m_viewController.modalInPresentation = YES;
UIWindow *window = parent ? reinterpret_cast<UIView *>(parent->winId()).window
: qt_apple_sharedApplication().keyWindow;
if (!window)
return false;
// We can't present from view controller if already presenting
if (window.rootViewController.presentedViewController)
return false;
[window.rootViewController presentViewController:m_viewController animated:YES completion:nil];
return true;
}
void QIOSColorDialog::hide()
{
[m_viewController dismissViewControllerAnimated:YES completion:nil];
[m_viewController release];
m_viewController = nullptr;
m_eventLoop.exit();
}
void QIOSColorDialog::setCurrentColor(const QColor &color)
{
updateColor(color);
if (m_viewController)
[m_viewController setQColor:color];
}
QColor QIOSColorDialog::currentColor() const
{
return m_currentColor;
}
void QIOSColorDialog::updateColor(const QColor &color)
{
m_currentColor = color;
}
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