Add sf::WindowBase::set{Min|Max}imumSize()

Co-authored-by: Shane Whitmire <dogunbound5@gmail.com>
Co-authored-by: michael.david.howard@outlook.com <michael.david.howard@outlook.com>

examples/opengl/OpenGL.cpp

@@ -50,6 +50,8 @@ int main()
         // Create the main window
         sf::RenderWindow window(sf::VideoMode({800, 600}), "SFML graphics with OpenGL", sf::Style::Default, contextSettings);
         window.setVerticalSyncEnabled(true);
+        window.setMinimumSize(sf::Vector2u(400, 300));
+        window.setMaximumSize(sf::Vector2u(1200, 900));
 
         // Create a sprite for the background
         sf::Texture backgroundTexture;

include/SFML/Window/WindowBase.hpp

@@ -36,6 +36,7 @@
 #include <SFML/System/Vector2.hpp>
 
 #include <memory>
+#include <optional>
 
 
 namespace sf
@@ -255,6 +256,26 @@ public:
     ////////////////////////////////////////////////////////////
     void setSize(const Vector2u& size);
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the minimum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the minimum size
+    ///
+    /// \param minimumSize New minimum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMinimumSize(const std::optional<Vector2u>& minimumSize);
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the maximum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the maximum size
+    ///
+    /// \param maximumSize New maximum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMaximumSize(const std::optional<Vector2u>& maximumSize);
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the title of the window
     ///

src/SFML/Window/Android/WindowImplAndroid.cpp

@@ -149,6 +149,20 @@ void WindowImplAndroid::setSize(const Vector2u& /* size */)
 }
 
 
+////////////////////////////////////////////////////////////
+void WindowImplAndroid::setMinimumSize(const std::optional<Vector2u>& /* minimumSize */)
+{
+    // Not applicable
+}
+
+
+////////////////////////////////////////////////////////////
+void WindowImplAndroid::setMaximumSize(const std::optional<Vector2u>& /* maximumSize */)
+{
+    // Not applicable
+}
+
+
 ////////////////////////////////////////////////////////////
 void WindowImplAndroid::setTitle(const String& /* title */)
 {

src/SFML/Window/Android/WindowImplAndroid.hpp

@@ -110,6 +110,26 @@ public:
     ////////////////////////////////////////////////////////////
     void setSize(const Vector2u& size) override;
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the minimum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the minimum size
+    ///
+    /// \param minimumSize New minimum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMinimumSize(const std::optional<Vector2u>& minimumSize) override;
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the maximum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the maximum size
+    ///
+    /// \param maximumSize New maximum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMaximumSize(const std::optional<Vector2u>& maximumSize) override;
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the title of the window
     ///

src/SFML/Window/DRM/WindowImplDRM.cpp

@@ -91,6 +91,18 @@ void WindowImplDRM::setSize(const Vector2u& /*size*/)
 }
 
 
+////////////////////////////////////////////////////////////
+void WindowImplDRM::setMinimumSize(const std::optional<Vector2u>& /* minimumSize */)
+{
+}
+
+
+////////////////////////////////////////////////////////////
+void WindowImplDRM::setMaximumSize(const std::optional<Vector2u>& /* maximumSize */)
+{
+}
+
+
 ////////////////////////////////////////////////////////////
 void WindowImplDRM::setTitle(const String& /*title*/)
 {

src/SFML/Window/DRM/WindowImplDRM.hpp

@@ -104,6 +104,26 @@ public:
     ////////////////////////////////////////////////////////////
     void setSize(const Vector2u& size) override;
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the minimum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the minimum size
+    ///
+    /// \param minimumSize New minimum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMinimumSize(const std::optional<Vector2u>& minimumSize) override;
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the maximum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the maximum size
+    ///
+    /// \param maximumSize New maximum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMaximumSize(const std::optional<Vector2u>& maximumSize) override;
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the title of the window
     ///

src/SFML/Window/OSX/SFViewController.mm

@@ -173,6 +173,18 @@
 }
 
 
+////////////////////////////////////////////////////////
+- (void)setMinimumSize:(NSSize)size
+{
+}
+
+
+////////////////////////////////////////////////////////
+- (void)setMaximumSize:(NSSize)size
+{
+}
+
+
 ////////////////////////////////////////////////////////
 - (void)changeTitle:(NSString*)title
 {

src/SFML/Window/OSX/SFWindowController.mm

@@ -471,6 +471,20 @@
 }
 
 
+////////////////////////////////////////////////////////
+- (void)setMinimumSize:(NSSize)size
+{
+    [m_window setContentMinSize:size];
+}
+
+
+////////////////////////////////////////////////////////
+- (void)setMaximumSize:(NSSize)size
+{
+    [m_window setContentMaxSize:size];
+}
+
+
 ////////////////////////////////////////////////////////
 - (void)changeTitle:(NSString*)title
 {

src/SFML/Window/OSX/WindowImplCocoa.hpp

@@ -279,6 +279,26 @@ public:
     ////////////////////////////////////////////////////////////
     void setSize(const Vector2u& size) override;
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the minimum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the minimum size
+    ///
+    /// \param minimumSize New minimum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMinimumSize(const std::optional<Vector2u>& minimumSize) override;
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the maximum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the maximum size
+    ///
+    /// \param maximumSize New maximum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMaximumSize(const std::optional<Vector2u>& maximumSize) override;
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the title of the window
     ///

src/SFML/Window/OSX/WindowImplCocoa.mm

@@ -39,6 +39,7 @@
 #include <SFML/System/Err.hpp>
 #include <SFML/System/String.hpp>
 
+#include <limits>
 #include <ostream>
 
 namespace sf::priv
@@ -437,6 +438,27 @@ void WindowImplCocoa::setSize(const Vector2u& size)
 }
 
 
+////////////////////////////////////////////////////////////
+void WindowImplCocoa::setMinimumSize(const std::optional<Vector2u>& minimumSize)
+{
+    WindowImpl::setMinimumSize(minimumSize);
+    const AutoreleasePool pool;
+    const NSSize          size = minimumSize ? NSMakeSize(minimumSize->x, minimumSize->y) : NSMakeSize(0, 0);
+    [m_delegate setMinimumSize:size];
+}
+
+
+////////////////////////////////////////////////////////////
+void WindowImplCocoa::setMaximumSize(const std::optional<Vector2u>& maximumSize)
+{
+    WindowImpl::setMaximumSize(maximumSize);
+    const AutoreleasePool pool;
+    const NSSize          size = maximumSize ? NSMakeSize(maximumSize->x, maximumSize->y)
+                                             : NSMakeSize(std::numeric_limits<CGFloat>::max(), std::numeric_limits<CGFloat>::max());
+    [m_delegate setMaximumSize:size];
+}
+
+
 ////////////////////////////////////////////////////////////
 void WindowImplCocoa::setTitle(const String& title)
 {

src/SFML/Window/OSX/WindowImplDelegateProtocol.h

@@ -151,6 +151,22 @@ class WindowImplCocoa;
 ////////////////////////////////////////////////////////////
 - (void)resizeTo:(unsigned int)width by:(unsigned int)height;
 
+////////////////////////////////////////////////////////////
+/// \brief Set the minimize window/view size
+///
+/// \param size minimum size
+///
+////////////////////////////////////////////////////////////
+- (void)setMinimumSize:(NSSize)size;
+
+////////////////////////////////////////////////////////////
+/// \brief Set the maximum window/view size
+///
+/// \param size maximum size
+///
+////////////////////////////////////////////////////////////
+- (void)setMaximumSize:(NSSize)size;
+
 ////////////////////////////////////////////////////////////
 /// \brief Set the window's title
 ///

src/SFML/Window/Unix/WindowImplX11.cpp

@@ -843,6 +843,22 @@ void WindowImplX11::setSize(const Vector2u& size)
 }
 
 
+////////////////////////////////////////////////////////////
+void WindowImplX11::setMinimumSize(const std::optional<Vector2u>& minimumSize)
+{
+    WindowImpl::setMinimumSize(minimumSize);
+    setWindowSizeConstraints();
+}
+
+
+////////////////////////////////////////////////////////////
+void WindowImplX11::setMaximumSize(const std::optional<Vector2u>& maximumSize)
+{
+    WindowImpl::setMaximumSize(maximumSize);
+    setWindowSizeConstraints();
+}
+
+
 ////////////////////////////////////////////////////////////
 void WindowImplX11::setTitle(const String& title)
 {
@@ -2139,4 +2155,28 @@ Vector2i WindowImplX11::getPrimaryMonitorPosition()
     return monitorPosition;
 }
 
+
+////////////////////////////////////////////////////////////
+void WindowImplX11::setWindowSizeConstraints() const
+{
+    // Do nothing if resizing is disabled
+    if (m_useSizeHints)
+        return;
+
+    XSizeHints sizeHints{};
+    if (const auto minimumSize = getMinimumSize())
+    {
+        sizeHints.flags |= PMinSize;
+        sizeHints.min_width  = static_cast<int>(minimumSize->x);
+        sizeHints.min_height = static_cast<int>(minimumSize->y);
+    }
+    if (const auto maximumSize = getMaximumSize())
+    {
+        sizeHints.flags |= PMaxSize;
+        sizeHints.max_width  = static_cast<int>(maximumSize->x);
+        sizeHints.max_height = static_cast<int>(maximumSize->y);
+    }
+    XSetWMNormalHints(m_display, m_window, &sizeHints);
+}
+
 } // namespace sf::priv

src/SFML/Window/Unix/WindowImplX11.hpp

@@ -111,6 +111,26 @@ public:
     ////////////////////////////////////////////////////////////
     void setSize(const Vector2u& size) override;
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the minimum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the minimum size
+    ///
+    /// \param minimumSize New minimum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMinimumSize(const std::optional<Vector2u>& minimumSize) override;
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the maximum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the maximum size
+    ///
+    /// \param maximumSize New maximum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMaximumSize(const std::optional<Vector2u>& maximumSize) override;
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the title of the window
     ///
@@ -291,6 +311,12 @@ private:
     ////////////////////////////////////////////////////////////
     Vector2i getPrimaryMonitorPosition();
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set min/max window size
+    ///
+    ////////////////////////////////////////////////////////////
+    void setWindowSizeConstraints() const;
+
     ////////////////////////////////////////////////////////////
     // Member data
     ////////////////////////////////////////////////////////////

src/SFML/Window/Win32/WindowImplWin32.cpp

@@ -329,13 +329,7 @@ Vector2u WindowImplWin32::getSize() const
 ////////////////////////////////////////////////////////////
 void WindowImplWin32::setSize(const Vector2u& size)
 {
-    // SetWindowPos wants the total size of the window (including title bar and borders),
-    // so we have to compute it
-    RECT rectangle = {0, 0, static_cast<long>(size.x), static_cast<long>(size.y)};
-    AdjustWindowRect(&rectangle, static_cast<DWORD>(GetWindowLongPtr(m_handle, GWL_STYLE)), false);
-    const int width  = rectangle.right - rectangle.left;
-    const int height = rectangle.bottom - rectangle.top;
-
+    const auto [width, height] = contentSizeToWindowSize(size);
     SetWindowPos(m_handle, nullptr, 0, 0, width, height, SWP_NOMOVE | SWP_NOZORDER);
 }
 
@@ -560,6 +554,20 @@ void WindowImplWin32::grabCursor(bool grabbed)
     }
 }
 
+
+////////////////////////////////////////////////////////////
+Vector2i WindowImplWin32::contentSizeToWindowSize(const Vector2u& size)
+{
+    // SetWindowPos wants the total size of the window (including title bar and borders) so we have to compute it
+    RECT rectangle = {0, 0, static_cast<long>(size.x), static_cast<long>(size.y)};
+    AdjustWindowRect(&rectangle, static_cast<DWORD>(GetWindowLongPtr(m_handle, GWL_STYLE)), false);
+    const auto width  = rectangle.right - rectangle.left;
+    const auto height = rectangle.bottom - rectangle.top;
+
+    return {width, height};
+}
+
+
 ////////////////////////////////////////////////////////////
 Keyboard::Scancode WindowImplWin32::toScancode(WPARAM wParam, LPARAM lParam)
 {
@@ -780,14 +788,28 @@ void WindowImplWin32::processEvent(UINT message, WPARAM wParam, LPARAM lParam)
             break;
         }
 
-        // The system request the min/max window size and position
+        // Fix violations of minimum or maximum size
         case WM_GETMINMAXINFO:
         {
             // We override the returned information to remove the default limit
             // (the OS doesn't allow windows bigger than the desktop by default)
-            auto* info             = reinterpret_cast<MINMAXINFO*>(lParam);
-            info->ptMaxTrackSize.x = 50000;
-            info->ptMaxTrackSize.y = 50000;
+
+            const auto maximumSize = contentSizeToWindowSize(getMaximumSize().value_or(Vector2u(50'000, 50'000)));
+
+            MINMAXINFO& minMaxInfo      = *reinterpret_cast<PMINMAXINFO>(lParam);
+            minMaxInfo.ptMaxTrackSize.x = maximumSize.x;
+            minMaxInfo.ptMaxTrackSize.y = maximumSize.y;
+            if (getMaximumSize().has_value())
+            {
+                minMaxInfo.ptMaxSize.x = maximumSize.x;
+                minMaxInfo.ptMaxSize.y = maximumSize.y;
+            }
+            if (getMinimumSize().has_value())
+            {
+                const auto minimumSize      = contentSizeToWindowSize(getMinimumSize().value());
+                minMaxInfo.ptMinTrackSize.x = minimumSize.x;
+                minMaxInfo.ptMinTrackSize.y = minimumSize.y;
+            }
             break;
         }
 
@@ -1122,6 +1144,36 @@ void WindowImplWin32::processEvent(UINT message, WPARAM wParam, LPARAM lParam)
 
             break;
         }
+
+        // Work around Windows 10 bug
+        // When a maximum size is specified and the window is snapped to the edge of the display the window size is subtly too big
+        case WM_WINDOWPOSCHANGED:
+        {
+            WINDOWPOS& pos = *reinterpret_cast<PWINDOWPOS>(lParam);
+            if (pos.flags & SWP_NOSIZE)
+                break;
+
+            if (!getMaximumSize().has_value())
+                break;
+            const auto maximumSize = contentSizeToWindowSize(getMaximumSize().value());
+
+            bool shouldResize = false;
+            if (pos.cx > maximumSize.x)
+            {
+                pos.cx       = maximumSize.x;
+                shouldResize = true;
+            }
+            if (pos.cy > maximumSize.y)
+            {
+                pos.cy       = maximumSize.y;
+                shouldResize = true;
+            }
+
+            if (shouldResize)
+                SetWindowPos(m_handle, pos.hwndInsertAfter, pos.x, pos.y, pos.cx, pos.cy, 0);
+
+            break;
+        }
     }
 }
 

src/SFML/Window/Win32/WindowImplWin32.hpp

@@ -242,6 +242,16 @@ private:
     ////////////////////////////////////////////////////////////
     void grabCursor(bool grabbed);
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Convert content size to window size including window chrome
+    ///
+    /// \param size Size to convert
+    ///
+    /// \return Converted size including window chrome
+    ///
+    ////////////////////////////////////////////////////////////
+    Vector2i contentSizeToWindowSize(const Vector2u& size);
+
     ////////////////////////////////////////////////////////////
     /// \brief Convert a Win32 virtual key code to a SFML key code
     ///

src/SFML/Window/WindowBase.cpp

@@ -31,8 +31,12 @@
 
 #include <SFML/System/Err.hpp>
 
+#include <algorithm>
+#include <limits>
 #include <ostream>
 
+#include <cassert>
+
 
 namespace
 {
@@ -207,11 +211,22 @@ void WindowBase::setSize(const Vector2u& size)
 {
     if (m_impl)
     {
-        m_impl->setSize(size);
+        // Constrain requested size within minimum and maximum bounds
+        const auto minimumSize = m_impl->getMinimumSize().value_or(Vector2u());
+        const auto maximumSize = m_impl->getMaximumSize().value_or(
+            Vector2u(std::numeric_limits<unsigned int>::max(), std::numeric_limits<unsigned int>::max()));
+        const auto width  = std::clamp(size.x, minimumSize.x, maximumSize.x);
+        const auto height = std::clamp(size.y, minimumSize.y, maximumSize.y);
+
+        // Do nothing if requested size matches current size
+        const Vector2u clampedSize(width, height);
+        if (clampedSize == m_size)
+            return;
+
+        m_impl->setSize(clampedSize);
 
         // Cache the new size
-        m_size.x = size.x;
-        m_size.y = size.y;
+        m_size = clampedSize;
 
         // Notify the derived class
         onResize();
@@ -219,6 +234,44 @@ void WindowBase::setSize(const Vector2u& size)
 }
 
 
+////////////////////////////////////////////////////////////
+void WindowBase::setMinimumSize(const std::optional<Vector2u>& minimumSize)
+{
+    if (m_impl)
+    {
+        [[maybe_unused]] const auto validateMinimumSize = [this, minimumSize]()
+        {
+            if (!minimumSize.has_value() || !m_impl->getMaximumSize().has_value())
+                return true;
+            return minimumSize->x <= m_impl->getMaximumSize()->x && minimumSize->y <= m_impl->getMaximumSize()->y;
+        };
+        assert(validateMinimumSize() && "Minimum size cannot be bigger than the maximum size along either axis");
+
+        m_impl->setMinimumSize(minimumSize);
+        setSize(getSize());
+    }
+}
+
+
+////////////////////////////////////////////////////////////
+void WindowBase::setMaximumSize(const std::optional<Vector2u>& maximumSize)
+{
+    if (m_impl)
+    {
+        [[maybe_unused]] const auto validateMaxiumSize = [this, maximumSize]()
+        {
+            if (!maximumSize.has_value() || !m_impl->getMinimumSize().has_value())
+                return true;
+            return maximumSize->x >= m_impl->getMinimumSize()->x && maximumSize->y >= m_impl->getMinimumSize()->y;
+        };
+        assert(validateMaxiumSize() && "Maximum size cannot be smaller than the minimum size along either axis");
+
+        m_impl->setMaximumSize(maximumSize);
+        setSize(getSize());
+    }
+}
+
+
 ////////////////////////////////////////////////////////////
 void WindowBase::setTitle(const String& title)
 {

src/SFML/Window/WindowImpl.cpp

@@ -135,6 +135,20 @@ WindowImpl::WindowImpl() : m_joystickStatesImpl(std::make_unique<JoystickStatesI
 WindowImpl::~WindowImpl() = default;
 
 
+////////////////////////////////////////////////////////////
+std::optional<Vector2u> WindowImpl::getMinimumSize() const
+{
+    return m_minimumSize;
+}
+
+
+////////////////////////////////////////////////////////////
+std::optional<Vector2u> WindowImpl::getMaximumSize() const
+{
+    return m_maximumSize;
+}
+
+
 ////////////////////////////////////////////////////////////
 void WindowImpl::setJoystickThreshold(float threshold)
 {
@@ -142,6 +156,20 @@ void WindowImpl::setJoystickThreshold(float threshold)
 }
 
 
+////////////////////////////////////////////////////////////
+void WindowImpl::setMinimumSize(const std::optional<Vector2u>& minimumSize)
+{
+    m_minimumSize = minimumSize;
+}
+
+
+////////////////////////////////////////////////////////////
+void WindowImpl::setMaximumSize(const std::optional<Vector2u>& maximumSize)
+{
+    m_maximumSize = maximumSize;
+}
+
+
 ////////////////////////////////////////////////////////////
 bool WindowImpl::popEvent(Event& event, bool block)
 {

src/SFML/Window/WindowImpl.hpp

@@ -40,6 +40,7 @@
 #include <SFML/Window/WindowHandle.hpp>
 
 #include <memory>
+#include <optional>
 #include <queue>
 #include <set>
 
@@ -142,6 +143,22 @@ public:
     ////////////////////////////////////////////////////////////
     virtual Vector2i getPosition() const = 0;
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Get the minimum window rendering region size
+    ///
+    /// \return Minimum size
+    ///
+    ////////////////////////////////////////////////////////////
+    std::optional<Vector2u> getMinimumSize() const;
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Get the maximum window rendering region size
+    ///
+    /// \return Maximum size
+    ///
+    ////////////////////////////////////////////////////////////
+    std::optional<Vector2u> getMaximumSize() const;
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the position of the window on screen
     ///
@@ -166,6 +183,26 @@ public:
     ////////////////////////////////////////////////////////////
     virtual void setSize(const Vector2u& size) = 0;
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the minimum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the minimum size
+    ///
+    /// \param minimumSize New minimum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual void setMinimumSize(const std::optional<Vector2u>& minimumSize);
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the maximum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the maximum size
+    ///
+    /// \param maximumSize New maximum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual void setMaximumSize(const std::optional<Vector2u>& maximumSize);
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the title of the window
     ///
@@ -298,6 +335,8 @@ private:
     Vector3f                            m_sensorValue[Sensor::Count]; //!< Previous value of the sensors
     float m_joystickThreshold{0.1f}; //!< Joystick threshold (minimum motion for "move" event to be generated)
     float m_previousAxes[Joystick::Count][Joystick::AxisCount]; //!< Position of each axis last time a move event triggered, in range [-100, 100]
+    std::optional<Vector2u> m_minimumSize; //!< Minimum window size
+    std::optional<Vector2u> m_maximumSize; //!< Maximum window size
 };
 
 } // namespace priv

src/SFML/Window/iOS/WindowImplUIKit.hpp

@@ -105,6 +105,26 @@ public:
     ////////////////////////////////////////////////////////////
     void setSize(const Vector2u& size) override;
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the minimum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the minimum size
+    ///
+    /// \param minimumSize New minimum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMinimumSize(const std::optional<Vector2u>& minimumSize) override;
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Set the maximum window rendering region size
+    ///
+    /// Pass std::nullopt to unset the maximum size
+    ///
+    /// \param maximumSize New maximum size, in pixels
+    ///
+    ////////////////////////////////////////////////////////////
+    void setMaximumSize(const std::optional<Vector2u>& maximumSize) override;
+
     ////////////////////////////////////////////////////////////
     /// \brief Change the title of the window
     ///

src/SFML/Window/iOS/WindowImplUIKit.mm

@@ -146,6 +146,20 @@ void WindowImplUIKit::setSize(const Vector2u& size)
 }
 
 
+////////////////////////////////////////////////////////////
+void WindowImplUIKit::setMinimumSize(const std::optional<Vector2u>& /* minimumSize */)
+{
+    // Not applicable
+}
+
+
+////////////////////////////////////////////////////////////
+void WindowImplUIKit::setMaximumSize(const std::optional<Vector2u>& /* maximumSize */)
+{
+    // Not applicable
+}
+
+
 ////////////////////////////////////////////////////////////
 void WindowImplUIKit::setTitle(const String& /* title */)
 {

test/Window/WindowBase.test.cpp

@@ -89,7 +89,7 @@ TEST_CASE("[Window] sf::WindowBase" * doctest::skip(skipDisplayTests))
         CHECK(!windowBase.waitEvent(event));
     }
 
-    SUBCASE("Get/set position")
+    SUBCASE("Set/get position")
     {
         sf::WindowBase windowBase;
         windowBase.setPosition({12, 34});
@@ -111,5 +111,37 @@ TEST_CASE("[Window] sf::WindowBase" * doctest::skip(skipDisplayTests))
             windowBase.setSize({128, 256});
             CHECK(windowBase.getSize() == sf::Vector2u(128, 256));
         }
+
+        SUBCASE("Minimum size")
+        {
+            sf::WindowBase windowBase(sf::VideoMode({360, 240}), "WindowBase Tests");
+            windowBase.setMinimumSize(sf::Vector2u(128, 256));
+            windowBase.setSize({100, 100});
+            CHECK(windowBase.getSize() == sf::Vector2u(128, 256));
+        }
+
+        SUBCASE("Maximum size")
+        {
+            sf::WindowBase windowBase(sf::VideoMode({360, 240}), "WindowBase Tests");
+            windowBase.setMaximumSize(sf::Vector2u(128, 256));
+            windowBase.setSize({400, 400});
+            CHECK(windowBase.getSize() == sf::Vector2u(128, 256));
+        }
+    }
+
+    SUBCASE("setMinimumSize()")
+    {
+        sf::WindowBase windowBase(sf::VideoMode({100, 100}), "WindowBase Tests", sf::Style::Default ^ sf::Style::Resize);
+        windowBase.setMinimumSize(sf::Vector2u(200, 300));
+        CHECK(windowBase.getSize() == sf::Vector2u(200, 300));
+        windowBase.setMaximumSize(sf::Vector2u(200, 300));
+    }
+
+    SUBCASE("setMinimumSize()")
+    {
+        sf::WindowBase windowBase(sf::VideoMode({400, 400}), "WindowBase Tests", sf::Style::Default ^ sf::Style::Resize);
+        windowBase.setMaximumSize(sf::Vector2u(200, 300));
+        CHECK(windowBase.getSize() == sf::Vector2u(200, 300));
+        windowBase.setMinimumSize(sf::Vector2u(200, 300));
     }
 }