Add a function to disable the use of raw input per window (support X11)

src/cocoa_window.m

@@ -1552,6 +1552,10 @@ void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
     [window->ns.object setAlphaValue:opacity];
 }
 
+void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
+{
+}
+
 void _glfwPlatformPollEvents(void)
 {
     if (!initializeAppKit())

src/internal.h

@@ -390,6 +390,7 @@ struct _GLFWwindow
     char                keys[GLFW_KEY_LAST + 1];
     // Virtual cursor position when cursor is disabled
     double              virtualCursorPosX, virtualCursorPosY;
+    GLFWbool            useRawInput;
 
     _GLFWcontext        context;
 
@@ -666,6 +667,7 @@ void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled);
 void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled);
 void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled);
 void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity);
+void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled);
 
 void _glfwPlatformPollEvents(void);
 void _glfwPlatformWaitEvents(void);

src/null_window.c

@@ -196,6 +196,10 @@ void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
 {
 }
 
+void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
+{
+}
+
 void _glfwPlatformShowWindow(_GLFWwindow* window)
 {
 }

src/win32_window.c

@@ -1843,6 +1843,11 @@ void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
     }
 }
 
+void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
+{
+    // TODO
+}
+
 void _glfwPlatformPollEvents(void)
 {
     MSG msg;

src/window.c

@@ -203,6 +203,7 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
     window->floating    = wndconfig.floating;
     window->focusOnShow = wndconfig.focusOnShow;
     window->cursorMode  = GLFW_CURSOR_NORMAL;
+    window->useRawInput = GLFW_TRUE;
 
     window->minwidth    = GLFW_DONT_CARE;
     window->minheight   = GLFW_DONT_CARE;
@@ -970,6 +971,23 @@ GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* handle)
     return window->userPointer;
 }
 
+GLFWAPI int glfwGetWindowUseRawInput(GLFWwindow* handle)
+{
+    _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
+    return window->useRawInput;
+}
+
+GLFWAPI void glfwSetWindowUseRawInput(GLFWwindow* handle,
+                                      int value)
+{
+    _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
+    _glfwPlatformSetWindowUseRawInput(window, value ? GLFW_TRUE : GLFW_FALSE);
+}
+
 GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* handle,
                                                   GLFWwindowposfun cbfun)
 {
@@ -1110,4 +1128,3 @@ GLFWAPI void glfwPostEmptyEvent(void)
 
     _glfwPlatformPostEmptyEvent();
 }
-

src/wl_window.c

@@ -1304,6 +1304,10 @@ void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
 {
 }
 
+void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
+{
+}
+
 void _glfwPlatformPollEvents(void)
 {
     handleEvents(0);

src/x11_window.c

@@ -26,6 +26,7 @@
 //========================================================================
 
 #include "internal.h"
+#include "x11_platform.h"
 
 #include <X11/cursorfont.h>
 #include <X11/Xmd.h>
@@ -535,7 +536,7 @@ static void updateCursorImage(_GLFWwindow* window)
 //
 static void disableCursor(_GLFWwindow* window)
 {
-    if (_glfw.x11.xi.available)
+    if (_glfw.x11.xi.available && window->useRawInput)
     {
         XIEventMask em;
         unsigned char mask[XIMaskLen(XI_RawMotion)] = { 0 };
@@ -566,7 +567,7 @@ static void disableCursor(_GLFWwindow* window)
 //
 static void enableCursor(_GLFWwindow* window)
 {
-    if (_glfw.x11.xi.available)
+    if (_glfw.x11.xi.available && window->useRawInput)
     {
         XIEventMask em;
         unsigned char mask[] = { 0 };
@@ -1192,6 +1193,7 @@ static void processEvent(XEvent *event)
             _GLFWwindow* window = _glfw.x11.disabledCursorWindow;
 
             if (window &&
+                window->useRawInput &&
                 event->xcookie.extension == _glfw.x11.xi.majorOpcode &&
                 XGetEventData(_glfw.x11.display, &event->xcookie) &&
                 event->xcookie.evtype == XI_RawMotion)
@@ -1492,7 +1494,7 @@ static void processEvent(XEvent *event)
                 {
                     if (_glfw.x11.disabledCursorWindow != window)
                         return;
-                    if (_glfw.x11.xi.available)
+                    if (_glfw.x11.xi.available && window->useRawInput)
                         return;
 
                     const int dx = x - window->x11.lastCursorPosX;
@@ -2652,6 +2654,19 @@ void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
                     PropModeReplace, (unsigned char*) &value, 1);
 }
 
+void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
+{
+    if (window->useRawInput != enabled)
+    {
+        int update = (_glfw.x11.disabledCursorWindow == window && _glfw.x11.xi.available);
+        if (update)
+            enableCursor(window);
+        window->useRawInput = enabled;
+        if (update)
+            disableCursor(window);
+    }
+}
+
 void _glfwPlatformPollEvents(void)
 {
     _GLFWwindow* window;