core/window: startSystemMove and startSystemResize to QsWindow

Author: bbedward

src/window/windowinterface.cpp

@@ -1,9 +1,13 @@
 #include "windowinterface.hpp"
 
+#include <qcolor.h>
 #include <qlogging.h>
+#include <qnamespace.h>
 #include <qobject.h>
+#include <qpoint.h>
 #include <qqmllist.h>
 #include <qquickitem.h>
+#include <qrect.h>
 #include <qtypes.h>
 
 #include "../core/qmlscreen.hpp"
@@ -94,6 +98,30 @@ QsWindowAttached::mapFromItem(QQuickItem* item, qreal x, qreal y, qreal width, q
 	}
 }
 
+bool QsWindowAttached::startSystemMove() const {
+	auto* pw = this->proxyWindow();
+	if (!pw) {
+		qCritical() << "Cannot call startSystemMove before item is a member of a window.";
+		return false;
+	}
+
+	auto* qw = pw->backingWindow();
+	if (!qw) return false;
+	return qw->startSystemMove();
+}
+
+bool QsWindowAttached::startSystemResize(Qt::Edges edges) const {
+	auto* pw = this->proxyWindow();
+	if (!pw) {
+		qCritical() << "Cannot call startSystemResize before item is a member of a window.";
+		return false;
+	}
+
+	auto* qw = pw->backingWindow();
+	if (!qw) return false;
+	return qw->startSystemResize(edges);
+}
+
 // clang-format off
 QQuickItem* WindowInterface::contentItem() const { return this->proxyWindow()->contentItem(); }
 

src/window/windowinterface.hpp

@@ -283,6 +283,11 @@ class QsWindowAttached: public QObject {
 	Q_INVOKABLE [[nodiscard]] QRectF
 	mapFromItem(QQuickItem* item, qreal x, qreal y, qreal width, qreal height) const;
 
+	/// Start a system move operation. Must be called during a pointer press/drag.
+	Q_INVOKABLE [[nodiscard]] bool startSystemMove() const;
+	/// Start a system resize operation. Must be called during a pointer press/drag.
+	Q_INVOKABLE [[nodiscard]] bool startSystemResize(Qt::Edges edges) const;
+
 signals:
 	void windowChanged();