Merge 5115508d2c into 63a7e8b7f8

Fixes #2746

CONTRIBUTORS.md

@@ -55,6 +55,7 @@ video tutorials.
  - Jason Daly
  - danhambleton
  - Jarrod Davis
+ - decce
  - Olivier Delannoy
  - Paul R. Deppe
  - Michael Dickens
@@ -99,6 +100,7 @@ video tutorials.
  - Björn Hempel
  - Matthew Henry
  - heromyth
+ - Jochen Heizmann
  - Lucas Hinderberger
  - Paul Holden
  - Hajime Hoshi

README.md

@@ -148,6 +148,7 @@ information on what to include when reporting a bug.
  - [Null] Added EGL context creation on Mesa via `EGL_MESA_platform_surfaceless`
  - [EGL] Allowed native access on Wayland with `GLFW_CONTEXT_CREATION_API` set to
    `GLFW_NATIVE_CONTEXT_API` (#2518)
+ - [Linux] Bugfix: Non-joystick input devices were incorrectly detected as joysticks on Raspberry PI OS
 
 
 ## Contact

docs/monitor.md

@@ -255,3 +255,7 @@ hardware gamma correction, which today is typically an approximation of sRGB
 gamma.  This means that setting a perfectly linear ramp, or gamma 1.0, will
 produce the default (usually sRGB-like) behavior.
 
+@note @wayland An application cannot read or modify the monitor gamma ramp.  The
+@ref glfwGetGammaRamp, @ref glfwSetGammaRamp and @ref glfwSetGamma functions
+emit @ref GLFW_FEATURE_UNAVAILABLE.
+

docs/window.md

@@ -893,6 +893,12 @@ int xpos, ypos;
 glfwGetWindowPos(window, &xpos, &ypos);
 ```
 
+@note @wayland An applications cannot know the positions of its windows or
+whether one has been moved.  The @ref GLFW_POSITION_X and @ref GLFW_POSITION_Y
+window hints are ignored.  The @ref glfwGetWindowPos and @ref glfwSetWindowPos
+functions emit @ref GLFW_FEATURE_UNAVAILABLE.  The window position callback will
+not be called.
+
 
 ### Window title {#window_title}
 
@@ -1038,6 +1044,12 @@ You can also get the current iconification state with @ref glfwGetWindowAttrib.
 int iconified = glfwGetWindowAttrib(window, GLFW_ICONIFIED);
 ```
 
+@note @wayland An application cannot know if any of its windows have been
+iconified or restore one from iconification.  The @ref glfwRestoreWindow
+function can only restore windows from maximization and the iconify callback
+will not be called.  The [GLFW_ICONIFIED](@ref GLFW_ICONIFIED_attrib) attribute
+will be false.  The @ref glfwIconifyWindow function works normally.
+
 
 ### Window maximization {#window_maximize}
 

include/GLFW/glfw3.h

@@ -2915,8 +2915,8 @@ GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor);
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref GLFW_INVALID_VALUE,
  *  @ref GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks).
  *
- *  @remark @wayland Gamma handling is a privileged protocol, this function
+ *  @remark @wayland Monitor gamma is a privileged protocol, so this function
- *  will thus never be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE.
+ *  cannot be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE.
  *
  *  @thread_safety This function must only be called from the main thread.
  *
@@ -2939,8 +2939,8 @@ GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma);
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref GLFW_PLATFORM_ERROR
  *  and @ref GLFW_FEATURE_UNAVAILABLE (see remarks).
  *
- *  @remark @wayland Gamma handling is a privileged protocol, this function
+ *  @remark @wayland Monitor gamma is a privileged protocol, so this function
- *  will thus never be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE while
+ *  cannot be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE while
  *  returning `NULL`.
  *
  *  @pointer_lifetime The returned structure and its arrays are allocated and
@@ -2983,8 +2983,8 @@ GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor);
  *
  *  @remark @win32 The gamma ramp size must be 256.
  *
- *  @remark @wayland Gamma handling is a privileged protocol, this function
+ *  @remark @wayland Monitor gamma is a privileged protocol, so this function
- *  will thus never be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE.
+ *  cannot be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE.
  *
  *  @pointer_lifetime The specified gamma ramp is copied before this function
  *  returns.
@@ -3430,8 +3430,8 @@ GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* i
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref
  *  GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks).
  *
- *  @remark @wayland There is no way for an application to retrieve the global
+ *  @remark @wayland Window positions are not currently part of any common
- *  position of its windows.  This function will emit @ref
+ *  Wayland protocol, so this function cannot be implemented and will emit @ref
  *  GLFW_FEATURE_UNAVAILABLE.
  *
  *  @thread_safety This function must only be called from the main thread.
@@ -3464,8 +3464,8 @@ GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos);
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref
  *  GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks).
  *
- *  @remark @wayland There is no way for an application to set the global
+ *  @remark @wayland Window positions are not currently part of any common
- *  position of its windows.  This function will emit @ref
+ *  Wayland protocol, so this function cannot be implemented and will emit @ref
  *  GLFW_FEATURE_UNAVAILABLE.
  *
  *  @thread_safety This function must only be called from the main thread.
@@ -3807,10 +3807,6 @@ GLFWAPI void glfwSetWindowOpacity(GLFWwindow* window, float opacity);
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
  *  GLFW_PLATFORM_ERROR.
  *
- *  @remark @wayland Once a window is iconified, @ref glfwRestoreWindow won’t
- *  be able to restore it.  This is a design decision of the xdg-shell
- *  protocol.
- *
  *  @thread_safety This function must only be called from the main thread.
  *
  *  @sa @ref window_iconify
@@ -3838,6 +3834,10 @@ GLFWAPI void glfwIconifyWindow(GLFWwindow* window);
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
  *  GLFW_PLATFORM_ERROR.
  *
+ *  @remark @wayland Restoring a window from maximization is not currently part
+ *  of any common Wayland protocol, so this function can only restore windows
+ *  from maximization.
+ *
  *  @thread_safety This function must only be called from the main thread.
  *
  *  @sa @ref window_iconify
@@ -4058,8 +4058,8 @@ GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window);
  *  affected by any resizing or mode switching, although you may need to update
  *  your viewport if the framebuffer size has changed.
  *
- *  @remark @wayland The desired window position is ignored, as there is no way
+ *  @remark @wayland Window positions are not currently part of any common
- *  for an application to set this property.
+ *  Wayland protocol.  The window position arguments are ignored.
  *
  *  @thread_safety This function must only be called from the main thread.
  *
@@ -4096,8 +4096,9 @@ GLFWAPI void glfwSetWindowMonitor(GLFWwindow* window, GLFWmonitor* monitor, int
  *  errors.  However, this function should not fail as long as it is passed
  *  valid arguments and the library has been [initialized](@ref intro_init).
  *
- *  @remark @wayland The Wayland protocol provides no way to check whether a
+ *  @remark @wayland Checking whether a window is iconified is not currently
- *  window is iconfied, so @ref GLFW_ICONIFIED always returns `GLFW_FALSE`.
+ *  part of any common Wayland protocol, so the @ref GLFW_ICONIFIED attribute
+ *  cannot be implemented and is always `GLFW_FALSE`.
  *
  *  @thread_safety This function must only be called from the main thread.
  *
@@ -4219,8 +4220,8 @@ GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window);
  *
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED.
  *
- *  @remark @wayland This callback will never be called, as there is no way for
+ *  @remark @wayland This callback will not be called.  The Wayland protocol
- *  an application to know its global position.
+ *  provides no way to be notified of when a window is moved.
  *
  *  @thread_safety This function must only be called from the main thread.
  *
@@ -4395,6 +4396,10 @@ GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwi
  *
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED.
  *
+ *  @remark @wayland This callback will not be called.  The Wayland protocol
+ *  provides no way to be notified of when a window is iconified, and no way to
+ *  check whether a window is currently iconified.
+ *
  *  @thread_safety This function must only be called from the main thread.
  *
  *  @sa @ref window_iconify

src/linux_joystick.c

@@ -157,10 +157,19 @@ static GLFWbool openJoystickDevice(const char* path)
     }
 
     // Ensure this device supports the events expected of a joystick
-    if (!isBitSet(EV_ABS, evBits))
+    // NOTE: SDL2 based Joystick Check
+    if (isBitSet(BTN_STYLUS, keyBits) ||
+        isBitSet(BTN_TOOL_PEN, keyBits) ||
+        isBitSet(BTN_TOOL_FINGER, keyBits) ||
+        isBitSet(BTN_MOUSE, keyBits) ||
+        isBitSet(BTN_TOUCH, keyBits) ||
+        (keyBits[0] & 0xFFFFFFFE) != 0)
     {
         close(linjs.fd);
         return GLFW_FALSE;
+    } else if (!isBitSet(EV_ABS, evBits)) {
+        close(linjs.fd);
+        return GLFW_FALSE;
     }
 
     char name[256] = "";
@@ -168,6 +177,17 @@ static GLFWbool openJoystickDevice(const char* path)
     if (ioctl(linjs.fd, EVIOCGNAME(sizeof(name)), name) < 0)
         strncpy(name, "Unknown", sizeof(name));
 
+    // NOTE: Some devices are still indentified as Gamepad devices (Rapsbery PI 500, Hypertouch Square Display).
+    // They are filtered out for enumeration. I wish there is a more robust way to detect if a device is really
+    // a gamecontroller/gamepad, but I wasn't able to find a way.
+    if (strstr(name, "Keyboard System Control") || 
+        strstr(name, "Keyboard Consumer Control") ||
+        strstr(name, "11-0048 EP0110M09") ||
+        strstr(name, "HID 046a:0023")) { 
+        close(linjs.fd);
+        return GLFW_FALSE;
+    } 
+    
     char guid[33] = "";
 
     // Generate a joystick GUID that matches the SDL 2.0.5+ one
@@ -433,4 +453,3 @@ void _glfwUpdateGamepadGUIDLinux(char* guid)
 }
 
 #endif // GLFW_BUILD_LINUX_JOYSTICK
-