Wayland: Clean up pointer locking

Shorten names and allow C99 declarations.  Replace helper function with
the NULL check it was hiding.  Separate cursor hiding from pointer
locking.

src/wl_platform.h

@@ -267,10 +267,8 @@ typedef struct _GLFWwindowWayland
     int                         monitorsCount;
     int                         monitorsSize;
 
-    struct {
-        struct zwp_relative_pointer_v1*    relativePointer;
-        struct zwp_locked_pointer_v1*      lockedPointer;
-    } pointerLock;
+    struct zwp_relative_pointer_v1* relativePointer;
+    struct zwp_locked_pointer_v1*   lockedPointer;
 
     struct zwp_idle_inhibitor_v1*          idleInhibitor;
 

src/wl_window.c

@@ -2241,15 +2241,14 @@ void _glfwGetCursorPosWayland(_GLFWwindow* window, double* xpos, double* ypos)
         *ypos = window->wl.cursorPosY;
 }
 
-static GLFWbool isPointerLocked(_GLFWwindow* window);
-
 void _glfwSetCursorPosWayland(_GLFWwindow* window, double x, double y)
 {
-    if (isPointerLocked(window))
+    if (window->wl.lockedPointer)
     {
         zwp_locked_pointer_v1_set_cursor_position_hint(
-            window->wl.pointerLock.lockedPointer,
-            wl_fixed_from_double(x), wl_fixed_from_double(y));
+            window->wl.lockedPointer,
+            wl_fixed_from_double(x),
+            wl_fixed_from_double(y));
     }
 }
 
@@ -2486,20 +2485,13 @@ static void lockedPointerHandleLocked(void* userData,
 
 static void unlockPointer(_GLFWwindow* window)
 {
-    struct zwp_relative_pointer_v1* relativePointer =
-        window->wl.pointerLock.relativePointer;
-    struct zwp_locked_pointer_v1* lockedPointer =
-        window->wl.pointerLock.lockedPointer;
-
-    zwp_relative_pointer_v1_destroy(relativePointer);
-    zwp_locked_pointer_v1_destroy(lockedPointer);
+    zwp_relative_pointer_v1_destroy(window->wl.relativePointer);
+    window->wl.relativePointer = NULL;
 
-    window->wl.pointerLock.relativePointer = NULL;
-    window->wl.pointerLock.lockedPointer = NULL;
+    zwp_locked_pointer_v1_destroy(window->wl.lockedPointer);
+    window->wl.lockedPointer = NULL;
 }
 
-static void lockPointer(_GLFWwindow* window);
-
 static void lockedPointerHandleUnlocked(void* userData,
                                         struct zwp_locked_pointer_v1* lockedPointer)
 {
@@ -2513,9 +2505,6 @@ static const struct zwp_locked_pointer_v1_listener lockedPointerListener =
 
 static void lockPointer(_GLFWwindow* window)
 {
-    struct zwp_relative_pointer_v1* relativePointer;
-    struct zwp_locked_pointer_v1* lockedPointer;
-
     if (!_glfw.wl.relativePointerManager)
     {
         _glfwInputError(GLFW_PLATFORM_ERROR,
@@ -2523,42 +2512,28 @@ static void lockPointer(_GLFWwindow* window)
         return;
     }
 
-    relativePointer =
+    window->wl.relativePointer =
         zwp_relative_pointer_manager_v1_get_relative_pointer(
             _glfw.wl.relativePointerManager,
             _glfw.wl.pointer);
-    zwp_relative_pointer_v1_add_listener(relativePointer,
+    zwp_relative_pointer_v1_add_listener(window->wl.relativePointer,
                                          &relativePointerListener,
                                          window);
 
-    lockedPointer =
+    window->wl.lockedPointer =
         zwp_pointer_constraints_v1_lock_pointer(
             _glfw.wl.pointerConstraints,
             window->wl.surface,
             _glfw.wl.pointer,
             NULL,
             ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
-    zwp_locked_pointer_v1_add_listener(lockedPointer,
+    zwp_locked_pointer_v1_add_listener(window->wl.lockedPointer,
                                        &lockedPointerListener,
                                        window);
-
-    window->wl.pointerLock.relativePointer = relativePointer;
-    window->wl.pointerLock.lockedPointer = lockedPointer;
-
-    wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial,
-                          NULL, 0, 0);
-}
-
-static GLFWbool isPointerLocked(_GLFWwindow* window)
-{
-    return window->wl.pointerLock.lockedPointer != NULL;
 }
 
 void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
 {
-    struct wl_cursor* defaultCursor;
-    struct wl_cursor* defaultCursorHiDPI = NULL;
-
     if (!_glfw.wl.pointer)
         return;
 
@@ -2569,9 +2544,17 @@ void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
     if (window != _glfw.wl.pointerFocus || window->wl.decorations.focus != mainWindow)
         return;
 
-    // Unlock possible pointer lock if no longer disabled.
-    if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window))
-        unlockPointer(window);
+    // Update pointer lock to match cursor mode
+    if (window->cursorMode == GLFW_CURSOR_DISABLED)
+    {
+        if (!window->wl.lockedPointer)
+            lockPointer(window);
+    }
+    else
+    {
+        if (window->wl.lockedPointer)
+            unlockPointer(window);
+    }
 
     if (window->cursorMode == GLFW_CURSOR_NORMAL)
     {
@@ -2579,19 +2562,24 @@ void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
             setCursorImage(window, &cursor->wl);
         else
         {
-            defaultCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme,
-                                                       "left_ptr");
+            struct wl_cursor* defaultCursor =
+                wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, "left_ptr");
             if (!defaultCursor)
             {
                 _glfwInputError(GLFW_PLATFORM_ERROR,
                                 "Wayland: Standard cursor not found");
                 return;
             }
+
+            struct wl_cursor* defaultCursorHiDPI = NULL;
             if (_glfw.wl.cursorThemeHiDPI)
+            {
                 defaultCursorHiDPI =
-                    wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI,
-                                               "left_ptr");
-            _GLFWcursorWayland cursorWayland = {
+                    wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, "left_ptr");
+            }
+
+            _GLFWcursorWayland cursorWayland =
+            {
                 defaultCursor,
                 defaultCursorHiDPI,
                 NULL,
@@ -2599,18 +2587,12 @@ void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
                 0, 0,
                 0
             };
+
             setCursorImage(window, &cursorWayland);
         }
     }
-    else if (window->cursorMode == GLFW_CURSOR_DISABLED)
-    {
-        if (!isPointerLocked(window))
-            lockPointer(window);
-    }
-    else if (window->cursorMode == GLFW_CURSOR_HIDDEN)
-    {
+    else
         wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, NULL, 0, 0);
-    }
 }
 
 static void dataSourceHandleTarget(void* userData,