1 files changed, 120 insertions, 0 deletions
diff --git a/examples/widgets/layouts/flowlayout/flowlayout.py b/examples/widgets/layouts/flowlayout/flowlayout.py
new file mode 100644
index 000000000..3ab4318fa
--- /dev/null
+++ b/examples/widgets/layouts/flowlayout/flowlayout.py
@@ -0,0 +1,120 @@
+# Copyright (C) 2013 Riverbank Computing Limited.
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+"""PySide6 port of the widgets/layouts/flowlayout example from Qt v6.x"""
+
+import sys
+from PySide6.QtCore import Qt, QMargins, QPoint, QRect, QSize
+from PySide6.QtWidgets import QApplication, QLayout, QPushButton, QSizePolicy, QWidget
+
+
+class Window(QWidget):
+    def __init__(self):
+        super().__init__()
+
+        flow_layout = FlowLayout(self)
+        flow_layout.addWidget(QPushButton("Short"))
+        flow_layout.addWidget(QPushButton("Longer"))
+        flow_layout.addWidget(QPushButton("Different text"))
+        flow_layout.addWidget(QPushButton("More text"))
+        flow_layout.addWidget(QPushButton("Even longer button text"))
+
+        self.setWindowTitle("Flow Layout")
+
+
+class FlowLayout(QLayout):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        if parent is not None:
+            self.setContentsMargins(QMargins(0, 0, 0, 0))
+
+        self._item_list = []
+
+    def __del__(self):
+        item = self.takeAt(0)
+        while item:
+            item = self.takeAt(0)
+
+    def addItem(self, item):
+        self._item_list.append(item)
+
+    def count(self):
+        return len(self._item_list)
+
+    def itemAt(self, index):
+        if 0 <= index < len(self._item_list):
+            return self._item_list[index]
+
+        return None
+
+    def takeAt(self, index):
+        if 0 <= index < len(self._item_list):
+            return self._item_list.pop(index)
+
+        return None
+
+    def expandingDirections(self):
+        return Qt.Orientation(0)
+
+    def hasHeightForWidth(self):
+        return True
+
+    def heightForWidth(self, width):
+        height = self._do_layout(QRect(0, 0, width, 0), True)
+        return height
+
+    def setGeometry(self, rect):
+        super(FlowLayout, self).setGeometry(rect)
+        self._do_layout(rect, False)
+
+    def sizeHint(self):
+        return self.minimumSize()
+
+    def minimumSize(self):
+        size = QSize()
+
+        for item in self._item_list:
+            size = size.expandedTo(item.minimumSize())
+
+        size += QSize(2 * self.contentsMargins().top(), 2 * self.contentsMargins().top())
+        return size
+
+    def _do_layout(self, rect, test_only):
+        x = rect.x()
+        y = rect.y()
+        line_height = 0
+        spacing = self.spacing()
+
+        for item in self._item_list:
+            style = item.widget().style()
+            layout_spacing_x = style.layoutSpacing(
+                QSizePolicy.PushButton, QSizePolicy.PushButton, Qt.Horizontal
+            )
+            layout_spacing_y = style.layoutSpacing(
+                QSizePolicy.PushButton, QSizePolicy.PushButton, Qt.Vertical
+            )
+            space_x = spacing + layout_spacing_x
+            space_y = spacing + layout_spacing_y
+            next_x = x + item.sizeHint().width() + space_x
+            if next_x - space_x > rect.right() and line_height > 0:
+                x = rect.x()
+                y = y + line_height + space_y
+                next_x = x + item.sizeHint().width() + space_x
+                line_height = 0
+
+            if not test_only:
+                item.setGeometry(QRect(QPoint(x, y), item.sizeHint()))
+
+            x = next_x
+            line_height = max(line_height, item.sizeHint().height())
+
+        return y + line_height - rect.y()
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    main_win = Window()
+    main_win.show()
+    sys.exit(app.exec())