Merge 2fa2a9480a into 7ef6efeb66

If a modal surface like the window menu was active, clicking on the GLFW
window content area to close it would correctly emit the cursor enter
event but would not propagate the cursor position from the event.

README.md

@@ -139,6 +139,11 @@ information on what to include when reporting a bug.
                      fallback decorations
  - [Wayland] Bugfix: Fallback decorations would report scroll events
  - [Wayland] Bugfix: Keyboard repeat events halted when any key is released (#2568)
+ - [Wayland] Bugfix: Fallback decorations would show menu at wrong position
+ - [Wayland] Bugfix: The cursor was not updated when clicking through from
+   a modal to a fallback decoration
+ - [Wayland] Bugfix: The cursor position was not updated when clicking through
+   from a modal to the content area
  - [X11] Bugfix: Running without a WM could trigger an assert (#2593,#2601,#2631)
  - [Null] Added Vulkan 'window' surface creation via `VK_EXT_headless_surface`
  - [Null] Added EGL context creation on Mesa via `EGL_MESA_platform_surfaceless`

src/wl_window.c

@@ -405,13 +405,19 @@ static void handleFallbackDecorationButton(_GLFWwindow* window,
     }
     else if (button == BTN_RIGHT)
     {
-        if (window->wl.xdg.toplevel)
+        if (!window->wl.xdg.toplevel)
-        {
+            return;
+
+        if (window->wl.fallback.focus != window->wl.fallback.top.surface)
+            return;
+
+        if (ypos < GLFW_BORDER_SIZE)
+            return;
+
         xdg_toplevel_show_window_menu(window->wl.xdg.toplevel,
                                       _glfw.wl.seat, serial,
-                                          window->wl.cursorPosX,
+                                      xpos,
-                                          window->wl.cursorPosY);
+                                      ypos - GLFW_CAPTION_HEIGHT - GLFW_BORDER_SIZE);
-        }
     }
 }
 
@@ -1532,11 +1538,21 @@ static void pointerHandleEnter(void* userData,
         window->wl.hovered = GLFW_TRUE;
         _glfwSetCursorWayland(window, window->wl.currentCursor);
         _glfwInputCursorEnter(window, GLFW_TRUE);
+
+        if (window->cursorMode != GLFW_CURSOR_DISABLED)
+        {
+            window->wl.cursorPosX = wl_fixed_to_double(sx);
+            window->wl.cursorPosY = wl_fixed_to_double(sy);
+            _glfwInputCursorPos(window, window->wl.cursorPosX, window->wl.cursorPosY);
+        }
     }
     else
     {
         if (window->wl.fallback.decorations)
+        {
             window->wl.fallback.focus = surface;
+            updateFallbackDecorationCursor(window, sx, sy);
+        }
     }
 }
 

tests/tearing.c

@@ -36,6 +36,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <limits.h>
 
 #include "linmath.h"
 
@@ -103,7 +104,7 @@ static void key_callback(GLFWwindow* window, int key, int scancode, int action,
     {
         case GLFW_KEY_UP:
         {
-            if (swap_interval + 1 > swap_interval)
+            if (swap_interval <= INT_MAX - 1)
                 set_swap_interval(window, swap_interval + 1);
             break;
         }
@@ -112,12 +113,12 @@ static void key_callback(GLFWwindow* window, int key, int scancode, int action,
         {
             if (swap_tear)
             {
-                if (swap_interval - 1 < swap_interval)
+                if (swap_interval >= INT_MIN + 1)
                     set_swap_interval(window, swap_interval - 1);
             }
             else
             {
-                if (swap_interval - 1 >= 0)
+                if (swap_interval >= 1)
                     set_swap_interval(window, swap_interval - 1);
             }
             break;