Use XRRSetCrtcConfig instead of XRRSetScreenConfig, in order to fix issue #1226. It should also fix issue #1224.

src/SFML/Window/Unix/WindowImplX11.cpp

@@ -487,6 +487,7 @@ m_inputMethod    (NULL),
 m_inputContext   (NULL),
 m_isExternal     (true),
 m_oldVideoMode   (0),
+m_oldRRCrtc      (0),
 m_hiddenCursor   (0),
 m_lastCursor     (None),
 m_keyRepeat      (true),
@@ -535,6 +536,7 @@ m_inputMethod    (NULL),
 m_inputContext   (NULL),
 m_isExternal     (false),
 m_oldVideoMode   (0),
+m_oldRRCrtc      (0),
 m_hiddenCursor   (0),
 m_lastCursor     (None),
 m_keyRepeat      (true),
@@ -556,8 +558,17 @@ m_lastInputTime  (0)
     m_screen = DefaultScreen(m_display);
 
     // Compute position and size
-    int left = m_fullscreen ? 0 : (DisplayWidth(m_display, m_screen)  - mode.width) / 2;
+    Vector2i windowPosition;
-    int top = m_fullscreen ? 0 : (DisplayHeight(m_display, m_screen) - mode.height) / 2;
+    if(m_fullscreen)
+    {
+        windowPosition = getPrimaryMonitorPosition();
+    }
+    else
+    {
+        windowPosition.x = (DisplayWidth(m_display, m_screen)  - mode.width) / 2;
+        windowPosition.y = (DisplayWidth(m_display, m_screen)  - mode.height) / 2;
+    }
+
     int width  = mode.width;
     int height = mode.height;
 
@@ -572,7 +583,7 @@ m_lastInputTime  (0)
 
     m_window = XCreateWindow(m_display,
                              DefaultRootWindow(m_display),
-                             left, top,
+                             windowPosition.x, windowPosition.y,
                              width, height,
                              0,
                              visualInfo.depth,
@@ -669,9 +680,11 @@ m_lastInputTime  (0)
     {
         m_useSizeHints = true;
         XSizeHints* sizeHints = XAllocSizeHints();
-        sizeHints->flags = PMinSize | PMaxSize;
+        sizeHints->flags = PMinSize | PMaxSize | USPosition;
         sizeHints->min_width = sizeHints->max_width = width;
         sizeHints->min_height = sizeHints->max_height = height;
+        sizeHints->x = windowPosition.x;
+        sizeHints->y = windowPosition.y;
         XSetWMNormalHints(m_display, m_window, sizeHints);
         XFree(sizeHints);
     }
@@ -708,7 +721,15 @@ m_lastInputTime  (0)
     // Set fullscreen video mode and switch to fullscreen if necessary
     if (m_fullscreen)
     {
-        setPosition(Vector2i(0, 0));
+        // Disable hint for min and max size,
+        // otherwise some windows managers will not remove window decorations
+        XSizeHints *sizeHints = XAllocSizeHints();
+        long flags = 0;
+        XGetWMNormalHints(m_display, m_window, sizeHints, &flags);
+        sizeHints->flags &= ~(PMinSize | PMaxSize);
+        XSetWMNormalHints(m_display, m_window, sizeHints);
+        XFree(sizeHints);
+ 
         setVideoMode(mode);
         switchToFullscreen();
     }
@@ -1240,53 +1261,99 @@ void WindowImplX11::setVideoMode(const VideoMode& mode)
         return;
 
     // Check if the XRandR extension is present
-    int version;
+    int xRandRMajor, xRandRMinor;
-    if (!XQueryExtension(m_display, "RANDR", &version, &version, &version))
+    if (!checkXRandR(xRandRMajor, xRandRMinor))
     {
         // XRandR extension is not supported: we cannot use fullscreen mode
         err() << "Fullscreen is not supported, switching to window mode" << std::endl;
         return;
     }
 
-    // Get the current configuration
+    // Get root window
-    XRRScreenConfiguration* config = XRRGetScreenInfo(m_display, RootWindow(m_display, m_screen));
+    ::Window rootWindow = RootWindow(m_display, m_screen);
 
-    if (!config)
+    // Get the screen resources
+    XRRScreenResources* res = XRRGetScreenResources(m_display, rootWindow);
+    if (!res)
     {
-        // Failed to get the screen configuration
+        err() << "Failed to get the current screen resources for fullscreen mode, switching to window mode" << std::endl;
-        err() << "Failed to get the current screen configuration for fullscreen mode, switching to window mode" << std::endl;
+        return;
+    }
+
+    RROutput output = getOutputPrimary(rootWindow, res, xRandRMajor, xRandRMinor);
+
+    // Get output info from output
+    XRROutputInfo* outputInfo = XRRGetOutputInfo(m_display, res, output);
+    if (!outputInfo || outputInfo->connection == RR_Disconnected)
+    {
+        XRRFreeScreenResources(res);
+
+        // If outputInfo->connection == RR_Disconnected, free output info
+        if (outputInfo)
+            XRRFreeOutputInfo(outputInfo);
+
+        err() << "Failed to get output info for fullscreen mode, switching to window mode" << std::endl;
+        return;
+    }
+
+    // Retreive current RRMode, screen position and rotation
+    XRRCrtcInfo* crtcInfo = XRRGetCrtcInfo(m_display, res, outputInfo->crtc);
+    if (!crtcInfo)
+    {
+        XRRFreeScreenResources(res);
+        XRRFreeOutputInfo(outputInfo);
+        err() << "Failed to get crtc info for fullscreen mode, switching to window mode" << std::endl;
+        return;
+    }
+
+    // Find RRMode to set
+    bool modeFound = false;
+    RRMode xRandMode;
+
+    for (int i = 0; (i < res->nmode) && !modeFound; i++)
+    {
+        if (crtcInfo->rotation == RR_Rotate_90 || crtcInfo->rotation == RR_Rotate_270)
+            std::swap(res->modes[i].height, res->modes[i].width);
+
+        // Check if screen size match
+        if (res->modes[i].width == static_cast<int>(mode.width) &&
+            res->modes[i].height == static_cast<int>(mode.height))
+        {
+            xRandMode = res->modes[i].id;
+            modeFound = true;
+        }
+    }
+
+    if (!modeFound)
+    {
+        XRRFreeScreenResources(res);
+        XRRFreeOutputInfo(outputInfo);
+        err() << "Failed to find a matching RRMode for fullscreen mode, switching to window mode" << std::endl;
         return;
     }
 
     // Save the current video mode before we switch to fullscreen
-    Rotation currentRotation;
+    m_oldVideoMode = crtcInfo->mode;
-    m_oldVideoMode = XRRConfigCurrentConfiguration(config, &currentRotation);
+    m_oldRRCrtc = outputInfo->crtc;
 
-    // Get the available screen sizes
-    int nbSizes;
-    XRRScreenSize* sizes = XRRConfigSizes(config, &nbSizes);
-
-    // Search for a matching size
-    for (int i = 0; (sizes && i < nbSizes); ++i)
-    {
-        XRRConfigRotations(config, &currentRotation);
-
-        if (currentRotation == RR_Rotate_90 || currentRotation == RR_Rotate_270)
-            std::swap(sizes[i].height, sizes[i].width);
-
-        if ((sizes[i].width  == static_cast<int>(mode.width)) && (sizes[i].height == static_cast<int>(mode.height)))
-        {
     // Switch to fullscreen mode
-            XRRSetScreenConfig(m_display, config, RootWindow(m_display, m_screen), i, currentRotation, CurrentTime);
+    XRRSetCrtcConfig(m_display,
+                     res,
+                     outputInfo->crtc,
+                     CurrentTime,
+                     crtcInfo->x,
+                     crtcInfo->y,
+                     xRandMode,
+                     crtcInfo->rotation,
+                     &output,
+                     1);
 
     // Set "this" as the current fullscreen window
     fullscreenWindow = this;
-            break;
-        }
-    }
 
-    // Free the configuration instance
+    XRRFreeScreenResources(res);
-    XRRFreeScreenConfigInfo(config);
+    XRRFreeOutputInfo(outputInfo);
+    XRRFreeCrtcInfo(crtcInfo);
 }
 
 
@@ -1295,19 +1362,55 @@ void WindowImplX11::resetVideoMode()
 {
     if (fullscreenWindow == this)
     {
-        // Get current screen info
+        // Try to set old configuration
-        XRRScreenConfiguration* config = XRRGetScreenInfo(m_display, RootWindow(m_display, m_screen));
+        // Check if the XRandR extension
-        if (config)
+        int xRandRMajor, xRandRMinor;
+        if (checkXRandR(xRandRMajor, xRandRMinor))
         {
-            // Get the current rotation
+            XRRScreenResources* res = XRRGetScreenResources(m_display, DefaultRootWindow(m_display));
-            Rotation currentRotation;
+            if (!res)
-            XRRConfigCurrentConfiguration(config, &currentRotation);
+            {
+                err() << "Failed to get the current screen resources to reset the video mode" << std::endl;
+                return;
+            }
 
-            // Reset the video mode
+            // Retreive current screen position and rotation
-            XRRSetScreenConfig(m_display, config, RootWindow(m_display, m_screen), m_oldVideoMode, currentRotation, CurrentTime);
+            XRRCrtcInfo* crtcInfo = XRRGetCrtcInfo(m_display, res, m_oldRRCrtc);
+            if (!crtcInfo)
+            {
+                XRRFreeScreenResources(res);
+                err() << "Failed to get crtc info to reset the video mode" << std::endl;
+                return;
+            }
 
-            // Free the configuration instance
+            RROutput output;
-            XRRFreeScreenConfigInfo(config);
+
+            // if version >= 1.3 get the primary screen else take the first screen
+            if ((xRandRMajor == 1 && xRandRMinor >= 3) || xRandRMajor > 1)
+            {
+                output = XRRGetOutputPrimary(m_display, DefaultRootWindow(m_display));
+
+                // Check if returned output is valid, otherwise use the first screen
+                if (output == None)
+                    output = res->outputs[0];
+            }
+            else{
+                output = res->outputs[0];
+            }
+
+            XRRSetCrtcConfig(m_display,
+                             res,
+                             m_oldRRCrtc,
+                             CurrentTime,
+                             crtcInfo->x,
+                             crtcInfo->y,
+                             m_oldVideoMode,
+                             crtcInfo->rotation,
+                             &output,
+                             1);
+
+            XRRFreeCrtcInfo(crtcInfo);
+            XRRFreeScreenResources(res);
         }
 
         // Reset the fullscreen window
@@ -1973,6 +2076,106 @@ bool WindowImplX11::processEvent(XEvent& windowEvent)
     return true;
 }
 
+
+////////////////////////////////////////////////////////////
+bool WindowImplX11::checkXRandR(int& xRandRMajor, int& xRandRMinor)
+{
+    // Check if the XRandR extension is present
+    int version;
+    if (!XQueryExtension(m_display, "RANDR", &version, &version, &version))
+    {
+        err() << "XRandR extension is not supported" << std::endl;
+        return false;
+    }
+
+    // Check XRandR version, 1.2 required
+    if (!XRRQueryVersion(m_display, &xRandRMajor, &xRandRMinor) || xRandRMajor < 1 || (xRandRMajor == 1 && xRandRMinor < 2 ))
+    {
+        err() << "XRandR is too old" << std::endl;
+        return false;
+    }
+
+    return true;
+}
+
+
+////////////////////////////////////////////////////////////
+RROutput WindowImplX11::getOutputPrimary(::Window& rootWindow, XRRScreenResources* res, int xRandRMajor, int xRandRMinor)
+{
+    // if xRandR version >= 1.3 get the primary screen else take the first screen
+    if ((xRandRMajor == 1 && xRandRMinor >= 3) || xRandRMajor > 1)
+    {
+        RROutput output = XRRGetOutputPrimary(m_display, rootWindow);
+
+        // Check if returned output is valid, otherwise use the first screen
+        if (output == None)
+            return res->outputs[0];
+        else
+            return output;
+    }
+
+    // xRandr version can't get the primary screen, use the first screen
+    return res->outputs[0];
+}
+
+
+////////////////////////////////////////////////////////////
+Vector2i WindowImplX11::getPrimaryMonitorPosition()
+{
+    Vector2i monitorPosition;
+
+    // Get root window
+    ::Window rootWindow = RootWindow(m_display, m_screen);
+
+    // Get the screen resources
+    XRRScreenResources* res = XRRGetScreenResources(m_display, rootWindow);
+    if (!res)
+    {
+        err() << "Failed to get the current screen resources for.primary monitor position" << std::endl;
+        return monitorPosition;
+    }
+
+    // Get xRandr version
+    int xRandRMajor, xRandRMinor;
+    if (!checkXRandR(xRandRMajor, xRandRMinor))
+        xRandRMajor = xRandRMinor = 0;
+
+    RROutput output = getOutputPrimary(rootWindow, res, xRandRMajor, xRandRMinor);
+
+    // Get output info from output
+    XRROutputInfo* outputInfo = XRRGetOutputInfo(m_display, res, output);
+    if (!outputInfo || outputInfo->connection == RR_Disconnected)
+    {
+        XRRFreeScreenResources(res);
+
+        // If outputInfo->connection == RR_Disconnected, free output info
+        if (outputInfo)
+            XRRFreeOutputInfo(outputInfo);
+
+        err() << "Failed to get output info for.primary monitor position" << std::endl;
+        return monitorPosition;
+    }
+
+    // Retreive current RRMode, screen position and rotation
+    XRRCrtcInfo* crtcInfo = XRRGetCrtcInfo(m_display, res, outputInfo->crtc);
+    if (!crtcInfo)
+    {
+        XRRFreeScreenResources(res);
+        XRRFreeOutputInfo(outputInfo);
+        err() << "Failed to get crtc info for.primary monitor position" << std::endl;
+        return monitorPosition;
+    }
+
+    monitorPosition.x = crtcInfo->x;
+    monitorPosition.y = crtcInfo->y;
+
+    XRRFreeCrtcInfo(crtcInfo);
+    XRRFreeOutputInfo(outputInfo);
+    XRRFreeScreenResources(res);
+
+    return monitorPosition;
+}
+
 } // namespace priv
 
 } // namespace sf

src/SFML/Window/Unix/WindowImplX11.hpp

@@ -34,6 +34,7 @@
 #include <SFML/Window/WindowStyle.hpp> // Prevent conflict with macro None from Xlib
 #include <X11/Xlib.h>
 #include <deque>
+#include <X11/extensions/Xrandr.h>
 
 
 namespace sf
@@ -264,6 +265,38 @@ private:
     ////////////////////////////////////////////////////////////
     bool processEvent(XEvent& windowEvent);
 
+    ////////////////////////////////////////////////////////////
+    /// \brief Check if a valid version of XRandR extension is present 
+    ///
+    /// \param xRandRMajor XRandR major version
+    /// \param xRandRMinor XRandR minor version
+    ///
+    /// \return True if a valid XRandR version found, false otherwise
+    ///
+    ////////////////////////////////////////////////////////////
+    bool checkXRandR(int& xRandRMajor, int& xRandRMinor);
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Get the RROutput of the primary monitor
+    ///
+    /// \param rootWindow the root window
+    /// \param res screen resources
+    /// \param xRandRMajor XRandR major version
+    /// \param xRandRMinor XRandR minor version
+    ///
+    /// \return RROutput of the primary monitor
+    ///
+    ////////////////////////////////////////////////////////////
+    RROutput getOutputPrimary(::Window& rootWindow, XRRScreenResources* res, int xRandRMajor, int xRandRMinor);
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Get coordinates of the primary monitor
+    ///
+    /// \return Position of the primary monitor
+    ///
+    ////////////////////////////////////////////////////////////
+    Vector2i getPrimaryMonitorPosition();
+
     ////////////////////////////////////////////////////////////
     // Member data
     ////////////////////////////////////////////////////////////
@@ -275,6 +308,7 @@ private:
     std::deque<XEvent> m_events;         ///< Queue we use to store pending events for this window
     bool               m_isExternal;     ///< Tell whether the window has been created externally or by SFML
     int                m_oldVideoMode;   ///< Video mode in use before we switch to fullscreen
+    RRCrtc             m_oldRRCrtc;      ///< RRCrtc in use before we switch to fullscreen
     ::Cursor           m_hiddenCursor;   ///< As X11 doesn't provide cursor hiding, we must create a transparent one
     ::Cursor           m_lastCursor;     ///< Last cursor used -- this data is not owned by the window and is required to be always valid
     bool               m_keyRepeat;      ///< Is the KeyRepeat feature enabled?