Merge branch 'master' into drag-window-dev

CONTRIBUTORS.md

@@ -166,6 +166,7 @@ video tutorials.
  - Peoro
  - Braden Pellett
  - Christopher Pelloux
+ - Michael Pennington
  - Arturo J. Pérez
  - Vladimir Perminov
  - Olivier Perret

README.md

@@ -140,9 +140,16 @@ information on what to include when reporting a bug.
  - Added `GLFW_POINTING_HAND_CURSOR` alias for `GLFW_HAND_CURSOR` (#427)
  - Added `GLFW_MOUSE_PASSTHROUGH` window hint for letting mouse input pass
    through the window (#1236,#1568)
+ - Added `GLFW_CURSOR_CAPTURED` cursor mode to confine the cursor to the window
+   content area (#58)
+ - Added `GLFW_POSITION_X` and `GLFW_POSITION_Y` window hints for initial position
+   (#1603,#1747)
+ - Added `GLFW_ANY_POSITION` hint value for letting the window manager choose (#1603,#1747)
  - Added `GLFW_PLATFORM_UNAVAILABLE` error for platform detection failures (#1958)
  - Added `GLFW_FEATURE_UNAVAILABLE` error for platform limitations (#1692)
  - Added `GLFW_FEATURE_UNIMPLEMENTED` error for incomplete backends (#1692)
+ - Added `GLFW_WAYLAND_APP_ID` window hint string for Wayland app\_id selection
+   (#2121,#2122)
  - Added `GLFW_ANGLE_PLATFORM_TYPE` init hint and `GLFW_ANGLE_PLATFORM_TYPE_*`
    values to select ANGLE backend (#1380)
  - Added `GLFW_X11_XCB_VULKAN_SURFACE` init hint for selecting X11 Vulkan
@@ -388,7 +395,9 @@ information on what to include when reporting a bug.
    (#442)
  - [EGL] Added ANGLE backend selection via `EGL_ANGLE_platform_angle` extension
    (#1380)
+   [EGL] Added loading of glvnd `libOpenGL.so.0` where available for OpenGL
  - [EGL] Bugfix: The `GLFW_DOUBLEBUFFER` context attribute was ignored (#1843)
+ - [GLX] Added loading of glvnd `libGLX.so.0` where available
  - [GLX] Bugfix: Context creation failed if GLX 1.4 was not exported by GLX library
 
 

docs/build.dox

@@ -26,7 +26,7 @@ GLFW.
 @endcode
 
 This header defines all the constants and declares all the types and function
-prototypes of the GLFW API.  By default it also includes the OpenGL header from
+prototypes of the GLFW API.  By default, it also includes the OpenGL header from
 your development environment.  See [option macros](@ref build_macros) below for
 how to select OpenGL ES headers and more.
 

docs/compat.dox

@@ -152,7 +152,7 @@ formats.  If GLX 1.3 is not supported, @ref glfwInit will fail.
 
 GLFW uses the `GLX_MESA_swap_control,` `GLX_EXT_swap_control` and
 `GLX_SGI_swap_control` extensions to provide vertical retrace synchronization
-(or _vsync_), in that order of preference.  Where none of these extension are
+(or _vsync_), in that order of preference.  When none of these extensions are
 available, calling @ref glfwSwapInterval will have no effect.
 
 GLFW uses the `GLX_ARB_multisample` extension to create contexts with
@@ -219,8 +219,8 @@ extension is unavailable, the `GLFW_CONTEXT_RELEASE_BEHAVIOR` hint will have no
 effect and the context will always be flushed when released.
 
 GLFW uses the `WGL_ARB_framebuffer_sRGB` and `WGL_EXT_framebuffer_sRGB`
-extensions to provide support for sRGB framebuffers.  Where both of these
+extensions to provide support for sRGB framebuffers.  When both of these
-extension are unavailable, the `GLFW_SRGB_CAPABLE` hint will have no effect.
+extensions are unavailable, the `GLFW_SRGB_CAPABLE` hint will have no effect.
 
 
 @section compat_osx OpenGL on macOS

docs/compile.dox

@@ -45,7 +45,7 @@ Linux and FreeBSD you will need a few extra packages.
 To compile GLFW for X11, you need to have the X11 development packages
 installed.  They are not needed to build or run programs that use GLFW.
 
-On Debian and derivates like Ubuntu and Linux Mint the `xorg-dev` meta-package
+On Debian and derivatives like Ubuntu and Linux Mint the `xorg-dev` meta-package
 pulls in the development packages for all of X11.
 
 @code{.sh}
@@ -83,7 +83,7 @@ development packages installed.  They are not needed to build or run programs th
 GLFW.  You will also need to set the @ref GLFW_BUILD_WAYLAND CMake option in the next
 step when generating build files.
 
-On Debian and derivates like Ubuntu and Linux Mint you will need the `libwayland-dev`,
+On Debian and derivatives like Ubuntu and Linux Mint you will need the `libwayland-dev`,
 `libxkbcommon-dev` and `wayland-protocols` packages and the `xorg-dev` meta-package.
 These will pull in all other dependencies.
 
@@ -142,7 +142,7 @@ If you wish change any CMake variables in the list, press _Configure_ and then
 _Generate_ to have the new values take effect.  The variable list will be
 populated after the first configure step.
 
-By default GLFW will use X11 on Linux and other Unix-like systems other than macOS.  To
+By default, GLFW will use X11 on Linux and other Unix-like systems other than macOS.  To
 include support for Wayland as well, set the @ref GLFW_BUILD_WAYLAND option in the GLFW
 section of the variable list, then apply the new value as described above.
 
@@ -176,7 +176,7 @@ flag.
 cmake -S path/to/glfw -B path/to/build -G Xcode
 @endcode
 
-By default GLFW will use X11 on Linux and other Unix-like systems other
+By default, GLFW will use X11 on Linux and other Unix-like systems other
 than macOS.  To also include support for Wayland, set the @ref GLFW_BUILD_WAYLAND CMake
 option.
 
@@ -263,12 +263,12 @@ build GLFW as a static library, `SHARED` to build it as a shared library
 @anchor GLFW_BUILD_EXAMPLES
 __GLFW_BUILD_EXAMPLES__ determines whether the GLFW examples are built
 along with the library.  This is enabled by default unless GLFW is being built
-as a sub-project of a larger CMake project.
+as a subproject of a larger CMake project.
 
 @anchor GLFW_BUILD_TESTS
 __GLFW_BUILD_TESTS__ determines whether the GLFW test programs are
 built along with the library.  This is enabled by default unless GLFW is being
-built as a sub-project of a larger CMake project.
+built as a subproject of a larger CMake project.
 
 @anchor GLFW_BUILD_DOCS
 __GLFW_BUILD_DOCS__ determines whether the GLFW documentation is built along
@@ -358,7 +358,7 @@ For more details see the
 @section compile_manual Compiling GLFW manually
 
 If you wish to compile GLFW without its CMake build environment then you will have to do
-at least some of the platform detection yourself.  There are preprocessor macros for
+at least some platform-detection yourself.  There are preprocessor macros for
 enabling support for the platforms (window systems) available.  There are also optional,
 platform-specific macros for various features.
 

docs/context.dox

@@ -61,7 +61,7 @@ information.  The name and number of this chapter unfortunately varies between
 versions and APIs, but has at times been named _Shared Objects and Multiple
 Contexts_.
 
-GLFW comes with a barebones object sharing example program called `sharing`.
+GLFW comes with a bare-bones object sharing example program called `sharing`.
 
 
 @subsection context_offscreen Offscreen contexts
@@ -189,7 +189,7 @@ it suppresses the development environment's OpenGL or OpenGL ES header.
 #include <GLFW/glfw3.h>
 @endcode
 
-Finally you need to initialize glad once you have a suitable current context.
+Finally, you need to initialize glad once you have a suitable current context.
 
 @code
 window = glfwCreateWindow(640, 480, "My Window", NULL, NULL);
@@ -205,7 +205,7 @@ gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
 
 Once glad has been loaded, you have access to all OpenGL core and extension
 functions supported by both the context you created and the glad loader you
-generated and you are ready to start rendering.
+generated. After that, you are ready to start rendering.
 
 You can specify a minimum required OpenGL or OpenGL ES version with
 [context hints](@ref window_hints_ctx).  If your needs are more complex, you can

docs/input.dox

@@ -24,7 +24,7 @@ All input callbacks receive a window handle.  By using the
 or objects from your callbacks.
 
 To get a better feel for how the various events callbacks behave, run the
-`events` test program.  It register every callback supported by GLFW and prints
+`events` test program.  It registers every callback supported by GLFW and prints
 out all arguments provided for every event, along with time and sequence
 information.
 
@@ -312,6 +312,16 @@ glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
 
 This mode puts no limit on the motion of the cursor.
 
+If you wish the cursor to be visible but confined to the content area of the
+window, set the cursor mode to `GLFW_CURSOR_CAPTURED`.
+
+@code
+glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_CAPTURED);
+@endcode
+
+The cursor will behave normally inside the content area but will not be able to
+leave unless the window loses focus.
+
 To exit out of either of these special modes, restore the `GLFW_CURSOR_NORMAL`
 cursor mode.
 
@@ -319,6 +329,8 @@ cursor mode.
 glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
 @endcode
 
+If the cursor was disabled, this will move it back to its last visible position.
+
 
 @anchor GLFW_RAW_MOUSE_MOTION
 @subsection raw_mouse_motion Raw mouse motion
@@ -382,7 +394,7 @@ sequential rows, starting from the top-left corner.
 @subsubsection cursor_standard Standard cursor creation
 
 A cursor with a [standard shape](@ref shapes) from the current system cursor
-theme can be can be created with @ref glfwCreateStandardCursor.
+theme can be created with @ref glfwCreateStandardCursor.
 
 @code
 GLFWcursor* url_cursor = glfwCreateStandardCursor(GLFW_POINTING_HAND_CURSOR);

docs/intro.dox

@@ -162,7 +162,7 @@ GLFW can be compiled for more than one platform (window system) at once.  This l
 a single library binary support both X11 and Wayland on Linux and other Unix-like systems.
 
 You can control platform selection via the @ref GLFW_PLATFORM initialization hint.  By
-default this is set to @ref GLFW_ANY_PLATFORM, which will look for supported window
+default, this is set to @ref GLFW_ANY_PLATFORM, which will look for supported window
 systems in order of priority and select the first one it finds.  It can also be set to any
 specific platform to have GLFW only look for that one.
 
@@ -269,9 +269,9 @@ This will destroy any remaining window, monitor and cursor objects, restore any
 modified gamma ramps, re-enable the screensaver if it had been disabled and free
 any other resources allocated by GLFW.
 
-Once the library is terminated, it is as if it had never been initialized and
+Once the library is terminated, it is as if it had never been initialized, therefore
 you will need to initialize it again before being able to use GLFW.  If the
-library was not initialized or had already been terminated, it return
+library was not initialized or had already been terminated, it returns
 immediately.
 
 
@@ -391,14 +391,14 @@ which monitor the window is currently considered to be on.
 
 This section describes the conditions under which GLFW can be expected to
 function, barring bugs in the operating system or drivers.  Use of GLFW outside
-of these limits may work on some platforms, or on some machines, or some of the
+these limits may work on some platforms, or on some machines, or some of the
 time, or on some versions of GLFW, but it may break at any time and this will
 not be considered a bug.
 
 
 @subsection lifetime Pointer lifetimes
 
-GLFW will never free any pointer you provide to it and you must never free any
+GLFW will never free any pointer you provide to it, and you must never free any
 pointer it provides to you.
 
 Many GLFW functions return pointers to dynamically allocated structures, strings
@@ -602,15 +602,15 @@ The format of the string is as follows:
  - The names of the always supported context creation APIs EGL and OSMesa
  - Any additional compile-time options, APIs and (on Windows) what compiler was used
 
-For example, GLFW 3.4 compiled as a DLL for Windows with MinGW may have a version string
+For example, compiling GLFW 3.4 with MinGW as a DLL for Windows, may result in a version string
 like this:
 
 @code
 3.4.0 Win32 WGL Null EGL OSMesa MinGW DLL
 @endcode
 
-While GLFW compiled as as static library for Linux with both Wayland and X11 enabled may
+Compiling GLFW as a static library for Linux, with both Wayland and X11 enabled, may
-have a version string like this:
+result in a version string like this:
 
 @code
 3.4.0 Wayland X11 GLX Null EGL OSMesa monotonic

docs/monitor.dox

@@ -138,7 +138,7 @@ glfwGetMonitorPhysicalSize(monitor, &width_mm, &height_mm);
 @endcode
 
 While this can be used to calculate the raw DPI of a monitor, this is often not
-useful.  Instead use the [monitor content scale](@ref monitor_scale) and
+useful.  Instead, use the [monitor content scale](@ref monitor_scale) and
 [window content scale](@ref window_scale) to scale your content.
 
 
@@ -261,7 +261,7 @@ To experiment with gamma correction via the @ref glfwSetGamma function, run the
 `gamma` test program.
 
 @note The software controlled gamma ramp is applied _in addition_ to the
-hardware gamma correction, which today is usually an approximation of sRGB
+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.
 

docs/moving.dox

@@ -243,7 +243,7 @@ while (!glfwWindowShouldClose(window))
 @endcode
 
 The close callback no longer returns a value.  Instead, it is called after the
-close flag has been set so it can override its value, if it chooses to, before
+close flag has been set, so it can optionally override its value, before
 event processing completes.  You may however not call @ref glfwDestroyWindow
 from the close callback (or any other window related callback).
 
@@ -350,11 +350,11 @@ from a repeat.  Note that @ref glfwGetKey still returns only `GLFW_PRESS` or
 
 GLFW 3 key tokens map to physical keys, unlike in GLFW 2 where they mapped to
 the values generated by the current keyboard layout.  The tokens are named
-according to the values they would have using the standard US layout, but this
+according to the values they would have in the standard US layout, but this
 is only a convenience, as most programmers are assumed to know that layout.
 This means that (for example) `GLFW_KEY_LEFT_BRACKET` is always a single key and
 is the same key in the same place regardless of what keyboard layouts the users
-of your program has.
+of your program have.
 
 The key input facility was never meant for text input, although using it that
 way worked slightly better in GLFW 2.  If you were using it to input text, you

docs/news.dox

@@ -21,7 +21,7 @@ support for a given platform is compiled in with @ref glfwPlatformSupported.
 
 GLFW now provides the standard cursor shapes @ref GLFW_RESIZE_NWSE_CURSOR and
 @ref GLFW_RESIZE_NESW_CURSOR for diagonal resizing, @ref GLFW_RESIZE_ALL_CURSOR
-for omni-directional resizing and @ref GLFW_NOT_ALLOWED_CURSOR for showing an
+for omnidirectional resizing and @ref GLFW_NOT_ALLOWED_CURSOR for showing an
 action is not allowed.
 
 Unlike the original set, these shapes may not be available everywhere and
@@ -43,6 +43,12 @@ to whatever window is behind it.  This can also be changed after window
 creation with the matching [window attribute](@ref GLFW_MOUSE_PASSTHROUGH_attrib).
 
 
+@subsubsection wayland_app_id_34 Wayland app_id specification
+
+GLFW now supports specifying the app_id for a Wayland window using the
+[GLFW_WAYLAND_APP_ID](@ref GLFW_WAYLAND_APP_ID_hint) window hint string.
+
+
 @subsubsection features_34_angle_backend Support for ANGLE rendering backend selection
 
 GLFW now provides the
@@ -52,6 +58,14 @@ requesting a specific rendering backend when using
 contexts.
 
 
+@subsubsection captured_cursor_34 Captured cursor mode
+
+GLFW now supports confining the cursor to the window content area with the @ref
+GLFW_CURSOR_CAPTURED cursor mode.
+
+For more information see @ref cursor_mode.
+
+
 @subsubsection features_34_init_allocator Support for custom memory allocator
 
 GLFW now supports plugging a custom memory allocator at initialization with @ref
@@ -62,6 +76,14 @@ function pointers corresponding to the standard library functions `malloc`,
 For more information see @ref init_allocator.
 
 
+@subsubsection features_34_position_hint Window hints for initial position
+
+GLFW now provides the @ref GLFW_POSITION_X and @ref GLFW_POSITION_Y window hints for
+specifying the initial position of the window.  This removes the need to create a hidden
+window, move it and then show it.  The default value of these hints is
+`GLFW_ANY_POSITION`, which selects the previous behavior.
+
+
 @subsubsection features_34_win32_keymenu Support for keyboard access to Windows window menu
 
 GLFW now provides the
@@ -78,7 +100,7 @@ applications.
 Because GLFW now supports runtime selection of platform (window system), a library binary
 may export native access functions for multiple platforms.  Starting with version 3.4 you
 must not assume that GLFW is running on a platform just because it exports native access
-functions for it.  After initialization you can query the selected platform with @ref
+functions for it.  After initialization, you can query the selected platform with @ref
 glfwGetPlatform.
 
 
@@ -104,7 +126,7 @@ To work around this, call any joystick function before waiting for events, for
 example by setting a [joystick callback](@ref joystick_event).
 
 
-@subsubsection standalone_34 Tests and examples are disabled when built as a sub-project
+@subsubsection standalone_34 Tests and examples are disabled when built as a subproject
 
 GLFW now does not build the tests and examples when it is added as
 a subdirectory of another CMake project.  To enable these, set the @ref
@@ -138,7 +160,7 @@ GLFW_TRANSPARENT_FRAMEBUFFER on Windows 7 if DWM transparency is off
 (the Transparency setting under Personalization > Window Color).
 
 
-@subsubsection emptyevents_34 Empty events on X11 no longer roundtrip to server
+@subsubsection emptyevents_34 Empty events on X11 no longer round-trip to server
 
 Events posted with @ref glfwPostEmptyEvent now use a separate unnamed pipe
 instead of sending an X11 client event to the helper window.
@@ -228,6 +250,10 @@ then GLFW will fail to initialize.
  - @ref GLFW_ANGLE_PLATFORM_TYPE_VULKAN
  - @ref GLFW_ANGLE_PLATFORM_TYPE_METAL
  - @ref GLFW_X11_XCB_VULKAN_SURFACE
+ - @ref GLFW_CURSOR_CAPTURED
+ - @ref GLFW_POSITION_X
+ - @ref GLFW_POSITION_Y
+ - @ref GLFW_ANY_POSITION
 
 
 @section news_archive Release notes for earlier versions

docs/quick.dox

@@ -149,10 +149,6 @@ if (!window)
 }
 @endcode
 
-The window handle is passed to all window related functions and is provided to
-along to all window related callbacks, so they can tell which window received
-the event.
-
 When a window and context is no longer needed, destroy it.
 
 @code
@@ -238,7 +234,7 @@ events as described below.
 @subsection quick_render Rendering with OpenGL
 
 Once you have a current OpenGL context, you can use OpenGL normally.  In this
-tutorial, a multi-colored rotating triangle will be rendered.  The framebuffer
+tutorial, a multicolored rotating triangle will be rendered.  The framebuffer
 size needs to be retrieved for `glViewport`.
 
 @code

docs/vulkan.dox

@@ -142,7 +142,7 @@ PFN_vkGetDeviceProcAddr pfnGetDeviceProcAddr = (PFN_vkGetDeviceProcAddr)
     glfwGetInstanceProcAddress(instance, "vkGetDeviceProcAddr");
 @endcode
 
-Device-specific functions may execute a little bit faster, due to not having to
+Device-specific functions may execute a little faster, due to not having to
 dispatch internally based on the device passed to them.  For more information
 about `vkGetDeviceProcAddr`, see the Vulkan documentation.
 

docs/window.dox

@@ -256,6 +256,14 @@ This is only supported for undecorated windows.  Decorated windows with this
 enabled will behave differently between platforms.  Possible values are
 `GLFW_TRUE` and `GLFW_FALSE`.
 
+@anchor GLFW_POSITION_X
+@anchor GLFW_POSITION_Y
+__GLFW_POSITION_X__ and __GLFW_POSITION_Y__ specify the desired initial position
+of the window.  The window manager may modify or ignore these coordinates.  If
+either or both of these hints are set to `GLFW_ANY_POSITION` then the window
+manager will position the window where it thinks the user will prefer it.
+Possible values are any valid screen coordinates and `GLFW_ANY_POSITION`.
+
 
 @subsubsection window_hints_fb Framebuffer related hints
 
@@ -492,6 +500,13 @@ __GLFW_X11_CLASS_NAME__ and __GLFW_X11_INSTANCE_NAME__ specifies the desired
 ASCII encoded class and instance parts of the ICCCM `WM_CLASS` window property.
 These are set with @ref glfwWindowHintString.
 
+@subsubsection window_hints_wayland Wayland specific window hints
+
+@anchor GLFW_WAYLAND_APP_ID_hint
+__GLFW_WAYLAND_APP_ID__ specifies the Wayland app_id for a window, used
+by window managers to identify types of windows. This is set with
+@ref glfwWindowHintString.
+
 
 @subsubsection window_hints_values Supported and default values
 
@@ -509,6 +524,8 @@ GLFW_TRANSPARENT_FRAMEBUFFER  | `GLFW_FALSE`                | `GLFW_TRUE` or `GL
 GLFW_FOCUS_ON_SHOW            | `GLFW_TRUE`                 | `GLFW_TRUE` or `GLFW_FALSE`
 GLFW_SCALE_TO_MONITOR         | `GLFW_FALSE`                | `GLFW_TRUE` or `GLFW_FALSE`
 GLFW_MOUSE_PASSTHROUGH        | `GLFW_FALSE`                | `GLFW_TRUE` or `GLFW_FALSE`
+GLFW_POSITION_X               | `GLFW_ANY_POSITION`         | Any valid screen x-coordinate or `GLFW_ANY_POSITION`
+GLFW_POSITION_Y               | `GLFW_ANY_POSITION`         | Any valid screen y-coordinate or `GLFW_ANY_POSITION`
 GLFW_RED_BITS                 | 8                           | 0 to `INT_MAX` or `GLFW_DONT_CARE`
 GLFW_GREEN_BITS               | 8                           | 0 to `INT_MAX` or `GLFW_DONT_CARE`
 GLFW_BLUE_BITS                | 8                           | 0 to `INT_MAX` or `GLFW_DONT_CARE`
@@ -540,6 +557,7 @@ GLFW_COCOA_FRAME_NAME         | `""`                        | A UTF-8 encoded fr
 GLFW_COCOA_GRAPHICS_SWITCHING | `GLFW_FALSE`                | `GLFW_TRUE` or `GLFW_FALSE`
 GLFW_X11_CLASS_NAME           | `""`                        | An ASCII encoded `WM_CLASS` class name
 GLFW_X11_INSTANCE_NAME        | `""`                        | An ASCII encoded `WM_CLASS` instance name
+GLFW_WAYLAND_APP_ID           | `""`                        | An ASCII encoded Wayland `app_id` name
 
 
 @section window_events Window event processing
@@ -790,7 +808,20 @@ are undefined if they conflict.
 
 @subsection window_pos Window position
 
-The position of a windowed-mode window can be changed with @ref
+By default, the window manager chooses the position of new windowed mode
+windows, based on its size and which monitor the user appears to be working on.
+This is most often the right choice.  If you need to create a window at
+a specific position, you can set the desired position with the @ref
+GLFW_POSITION_X and @ref GLFW_POSITION_Y window hints.
+
+@code
+glfwWindowHint(GLFW_POSITION_X, 70);
+glfwWindowHint(GLFW_POSITION_Y, 83);
+@endcode
+
+To restore the previous behavior, set these hints to `GLFW_ANY_POSITION`.
+
+The position of a windowed mode window can be changed with @ref
 glfwSetWindowPos.  This moves the window so that the upper-left corner of its
 content area has the specified [screen coordinates](@ref coordinate_systems).
 The window system may put limitations on window placement.

examples/windows.c

@@ -50,7 +50,6 @@ int main(int argc, char** argv)
         exit(EXIT_FAILURE);
     }
 
-    glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
     glfwWindowHint(GLFW_DECORATED, GLFW_FALSE);
 
     glfwGetMonitorWorkarea(glfwGetPrimaryMonitor(), &xpos, &ypos, NULL, &height);
@@ -72,6 +71,9 @@ int main(int argc, char** argv)
         if (i > 0)
             glfwWindowHint(GLFW_FOCUS_ON_SHOW, GLFW_FALSE);
 
+        glfwWindowHint(GLFW_POSITION_X, xpos + size * (1 + (i & 1)));
+        glfwWindowHint(GLFW_POSITION_Y, ypos + size * (1 + (i >> 1)));
+
         windows[i] = glfwCreateWindow(size, size, "Multi-Window Example", NULL, NULL);
         if (!windows[i])
         {
@@ -81,9 +83,6 @@ int main(int argc, char** argv)
             exit(EXIT_FAILURE);
         }
 
-        glfwSetWindowPos(windows[i],
-                         xpos + size * (1 + (i & 1)),
-                         ypos + size * (1 + (i >> 1)));
         glfwSetInputMode(windows[i], GLFW_STICKY_KEYS, GLFW_TRUE);
         glfwSetMouseButtonCallback(windows[i], mouse_button_callback);
 
@@ -92,9 +91,6 @@ int main(int argc, char** argv)
         glClearColor(colors[i].r, colors[i].g, colors[i].b, 1.f);
     }
 
-    for (int i = 0;  i < 4;  i++)
-        glfwShowWindow(windows[i]);
-
     for (;;)
     {
         for (int i = 0;  i < 4;  i++)

include/GLFW/glfw3.h

@@ -927,6 +927,18 @@ extern "C" {
  */
 #define GLFW_MOUSE_PASSTHROUGH      0x0002000D
 
+/*! @brief Initial position x-coordinate window hint.
+ *
+ *  Initial position x-coordinate [window hint](@ref GLFW_POSITION_X).
+ */
+#define GLFW_POSITION_X             0x0002000E
+
+/*! @brief Initial position y-coordinate window hint.
+ *
+ *  Initial position y-coordinate [window hint](@ref GLFW_POSITION_Y).
+ */
+#define GLFW_POSITION_Y             0x0002000F
+
 /*! @brief Framebuffer bit depth hint.
  *
  *  Framebuffer bit depth [hint](@ref GLFW_RED_BITS).
@@ -1105,6 +1117,12 @@ extern "C" {
  */
 #define GLFW_X11_INSTANCE_NAME      0x00024002
 #define GLFW_WIN32_KEYBOARD_MENU    0x00025001
+/*! @brief Wayland specific
+ *  [window hint](@ref GLFW_WAYLAND_APP_ID_hint).
+ *  
+ *  Allows specification of the Wayland app_id.
+ */
+#define GLFW_WAYLAND_APP_ID         0x00026001
 /*! @} */
 
 #define GLFW_NO_API                          0
@@ -1128,6 +1146,7 @@ extern "C" {
 #define GLFW_CURSOR_NORMAL          0x00034001
 #define GLFW_CURSOR_HIDDEN          0x00034002
 #define GLFW_CURSOR_DISABLED        0x00034003
+#define GLFW_CURSOR_CAPTURED        0x00034004
 
 #define GLFW_ANY_RELEASE_BEHAVIOR            0
 #define GLFW_RELEASE_BEHAVIOR_FLUSH 0x00035001
@@ -1145,6 +1164,8 @@ extern "C" {
 #define GLFW_ANGLE_PLATFORM_TYPE_VULKAN  0x00037007
 #define GLFW_ANGLE_PLATFORM_TYPE_METAL   0x00037008
 
+#define GLFW_ANY_POSITION           0x80000000
+
 /*! @defgroup shapes Standard cursor shapes
  *  @brief Standard system cursor shapes.
  *
@@ -3029,10 +3050,10 @@ GLFWAPI void glfwWindowHintString(int hint, const char* value);
  *  OpenGL or OpenGL ES context.
  *
  *  By default, newly created windows use the placement recommended by the
- *  window system.  To create the window at a specific position, make it
+ *  window system.  To create the window at a specific position, set the @ref
- *  initially invisible using the [GLFW_VISIBLE](@ref GLFW_VISIBLE_hint) window
+ *  GLFW_POSITION_X and @ref GLFW_POSITION_Y window hints before creation.  To
- *  hint, set its [position](@ref window_pos) and then [show](@ref window_hide)
+ *  restore the default behavior, set either or both hints back to
- *  it.
+ *  `GLFW_ANY_POSITION`.
  *
  *  As long as at least one full screen window is not iconified, the screensaver
  *  is prohibited from starting.
@@ -4577,6 +4598,8 @@ GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode);
  *  - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual
  *    and unlimited cursor movement.  This is useful for implementing for
  *    example 3D camera controls.
+ *  - `GLFW_CURSOR_CAPTURED` makes the cursor visible and confines it to the
+ *    content area of the window.
  *
  *  If the mode is `GLFW_STICKY_KEYS`, the value must be either `GLFW_TRUE` to
  *  enable sticky keys, or `GLFW_FALSE` to disable it.  If sticky keys are

include/GLFW/glfw3native.h

@@ -103,17 +103,23 @@ extern "C" {
    #undef GLFW_APIENTRY_DEFINED
   #endif
   #include <windows.h>
- #elif defined(GLFW_EXPOSE_NATIVE_COCOA) || defined(GLFW_EXPOSE_NATIVE_NSGL)
+ #endif
+
+ #if defined(GLFW_EXPOSE_NATIVE_COCOA) || defined(GLFW_EXPOSE_NATIVE_NSGL)
   #if defined(__OBJC__)
    #import <Cocoa/Cocoa.h>
   #else
    #include <ApplicationServices/ApplicationServices.h>
    #include <objc/objc.h>
   #endif
- #elif defined(GLFW_EXPOSE_NATIVE_X11) || defined(GLFW_EXPOSE_NATIVE_GLX)
+ #endif
+
+ #if defined(GLFW_EXPOSE_NATIVE_X11) || defined(GLFW_EXPOSE_NATIVE_GLX)
   #include <X11/Xlib.h>
   #include <X11/extensions/Xrandr.h>
- #elif defined(GLFW_EXPOSE_NATIVE_WAYLAND)
+ #endif
+
+ #if defined(GLFW_EXPOSE_NATIVE_WAYLAND)
   #include <wayland-client.h>
  #endif
 

src/cocoa_window.m

@@ -791,7 +791,19 @@ static GLFWbool createNativeWindow(_GLFWwindow* window,
         contentRect = NSMakeRect(xpos, ypos, mode.width, mode.height);
     }
     else
+    {
+        if (wndconfig->xpos == GLFW_ANY_POSITION ||
+            wndconfig->ypos == GLFW_ANY_POSITION)
+        {
             contentRect = NSMakeRect(0, 0, wndconfig->width, wndconfig->height);
+        }
+        else
+        {
+            const int xpos = wndconfig->xpos;
+            const int ypos = _glfwTransformYCocoa(wndconfig->ypos + wndconfig->height - 1);
+            contentRect = NSMakeRect(xpos, ypos, wndconfig->width, wndconfig->height);
+        }
+    }
 
     NSUInteger styleMask = NSWindowStyleMaskMiniaturizable;
 
@@ -820,11 +832,15 @@ static GLFWbool createNativeWindow(_GLFWwindow* window,
     if (window->monitor)
         [window->ns.object setLevel:NSMainMenuWindowLevel + 1];
     else
+    {
+        if (wndconfig->xpos == GLFW_ANY_POSITION ||
+            wndconfig->ypos == GLFW_ANY_POSITION)
         {
             [(NSWindow*) window->ns.object center];
             _glfw.ns.cascadePoint =
                 NSPointToCGPoint([window->ns.object cascadeTopLeftFromPoint:
                                 NSPointFromCGPoint(_glfw.ns.cascadePoint)]);
+        }
 
         if (wndconfig->resizable)
         {
@@ -1624,8 +1640,16 @@ void _glfwSetCursorPosCocoa(_GLFWwindow* window, double x, double y)
 void _glfwSetCursorModeCocoa(_GLFWwindow* window, int mode)
 {
     @autoreleasepool {
+
+    if (mode == GLFW_CURSOR_CAPTURED)
+    {
+        _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
+                        "Cocoa: Captured cursor mode not yet implemented");
+    }
+
     if (_glfwWindowFocusedCocoa(window))
         updateCursorMode(window);
+
     } // autoreleasepool
 }
 

src/egl_context.c

@@ -737,6 +737,7 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
 #elif defined(__OpenBSD__) || defined(__NetBSD__)
             "libGL.so",
 #else
+            "libOpenGL.so.0",
             "libGL.so.1",
 #endif
             NULL

src/glx_context.c

@@ -226,8 +226,11 @@ static GLFWglproc getProcAddressGLX(const char* procname)
     else if (_glfw.glx.GetProcAddressARB)
         return _glfw.glx.GetProcAddressARB((const GLubyte*) procname);
     else
+    {
+        // NOTE: glvnd provides GLX 1.4, so this can only happen with libGL
         return _glfwPlatformGetModuleSymbol(_glfw.glx.handle, procname);
     }
+}
 
 static void destroyContextGLX(_GLFWwindow* window)
 {
@@ -262,6 +265,7 @@ GLFWbool _glfwInitGLX(void)
 #elif defined(__OpenBSD__) || defined(__NetBSD__)
         "libGL.so",
 #else
+        "libGLX.so.0",
         "libGL.so.1",
         "libGL.so",
 #endif

src/input.c

@@ -596,7 +596,8 @@ GLFWAPI void glfwSetInputMode(GLFWwindow* handle, int mode, int value)
         {
             if (value != GLFW_CURSOR_NORMAL &&
                 value != GLFW_CURSOR_HIDDEN &&
-                value != GLFW_CURSOR_DISABLED)
+                value != GLFW_CURSOR_DISABLED &&
+                value != GLFW_CURSOR_CAPTURED)
             {
                 _glfwInputError(GLFW_INVALID_ENUM,
                                 "Invalid cursor mode 0x%08X",

src/internal.h

@@ -396,6 +396,8 @@ struct _GLFWinitconfig
 //
 struct _GLFWwndconfig
 {
+    int           xpos;
+    int           ypos;
     int           width;
     int           height;
     const char*   title;
@@ -421,6 +423,9 @@ struct _GLFWwndconfig
     struct {
         GLFWbool  keymenu;
     } win32;
+    struct {
+        char      appId[256];
+    } wl;
 };
 
 // Context configuration

src/null_window.c

@@ -81,9 +81,18 @@ static int createNativeWindow(_GLFWwindow* window,
     if (window->monitor)
         fitToMonitor(window);
     else
+    {
+        if (wndconfig->xpos == GLFW_ANY_POSITION && wndconfig->ypos == GLFW_ANY_POSITION)
         {
             window->null.xpos = 17;
             window->null.ypos = 17;
+        }
+        else
+        {
+            window->null.xpos = wndconfig->xpos;
+            window->null.ypos = wndconfig->ypos;
+        }
+
         window->null.width = wndconfig->width;
         window->null.height = wndconfig->height;
     }

src/win32_platform.h

@@ -452,6 +452,8 @@ typedef struct _GLFWlibraryWin32
     double              restoreCursorPosX, restoreCursorPosY;
     // The window whose disabled cursor mode is active
     _GLFWwindow*        disabledCursorWindow;
+    // The window the cursor is captured in
+    _GLFWwindow*        capturedCursorWindow;
     RAWINPUT*           rawInput;
     int                 rawInputSize;
     UINT                mouseTrailSize;

src/win32_window.c

@@ -238,7 +238,8 @@ static void applyAspectRatio(_GLFWwindow* window, int edge, RECT* area)
 //
 static void updateCursorImage(_GLFWwindow* window)
 {
-    if (window->cursorMode == GLFW_CURSOR_NORMAL)
+    if (window->cursorMode == GLFW_CURSOR_NORMAL ||
+        window->cursorMode == GLFW_CURSOR_CAPTURED)
     {
         if (window->cursor)
             SetCursor(window->cursor->win32.handle);
@@ -249,20 +250,24 @@ static void updateCursorImage(_GLFWwindow* window)
         SetCursor(NULL);
 }
 
-// Updates the cursor clip rect
+// Sets the cursor clip rect to the window content area
 //
-static void updateClipRect(_GLFWwindow* window)
+static void captureCursor(_GLFWwindow* window)
-{
-    if (window)
 {
     RECT clipRect;
     GetClientRect(window->win32.handle, &clipRect);
     ClientToScreen(window->win32.handle, (POINT*) &clipRect.left);
     ClientToScreen(window->win32.handle, (POINT*) &clipRect.right);
     ClipCursor(&clipRect);
+    _glfw.win32.capturedCursorWindow = window;
 }
-    else
+
+// Disabled clip cursor
+//
+static void releaseCursor(void)
+{
     ClipCursor(NULL);
+    _glfw.win32.capturedCursorWindow = NULL;
 }
 
 // Enables WM_INPUT messages for the mouse for the specified window
@@ -301,7 +306,7 @@ static void disableCursor(_GLFWwindow* window)
                            &_glfw.win32.restoreCursorPosY);
     updateCursorImage(window);
     _glfwCenterCursorInContentArea(window);
-    updateClipRect(window);
+    captureCursor(window);
 
     if (window->rawMouseMotion)
         enableRawMouseMotion(window);
@@ -315,7 +320,7 @@ static void enableCursor(_GLFWwindow* window)
         disableRawMouseMotion(window);
 
     _glfw.win32.disabledCursorWindow = NULL;
-    updateClipRect(NULL);
+    releaseCursor();
     _glfwSetCursorPosWin32(window,
                            _glfw.win32.restoreCursorPosX,
                            _glfw.win32.restoreCursorPosY);
@@ -582,6 +587,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
             {
                 if (window->cursorMode == GLFW_CURSOR_DISABLED)
                     disableCursor(window);
+                else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+                    captureCursor(window);
 
                 window->win32.frameAction = GLFW_FALSE;
             }
@@ -600,6 +607,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
 
             if (window->cursorMode == GLFW_CURSOR_DISABLED)
                 disableCursor(window);
+            else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+                captureCursor(window);
 
             return 0;
         }
@@ -608,6 +617,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
         {
             if (window->cursorMode == GLFW_CURSOR_DISABLED)
                 enableCursor(window);
+            else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+                releaseCursor();
 
             if (window->monitor && window->autoIconify)
                 _glfwIconifyWindowWin32(window);
@@ -977,6 +988,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
             //       resizing the window or using the window menu
             if (window->cursorMode == GLFW_CURSOR_DISABLED)
                 enableCursor(window);
+            else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+                releaseCursor();
 
             break;
         }
@@ -991,6 +1004,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
             //       resizing the window or using the menu
             if (window->cursorMode == GLFW_CURSOR_DISABLED)
                 disableCursor(window);
+            else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+                captureCursor(window);
 
             break;
         }
@@ -1004,8 +1019,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
                                        (window->win32.maximized &&
                                         wParam != SIZE_RESTORED);
 
-            if (_glfw.win32.disabledCursorWindow == window)
+            if (_glfw.win32.capturedCursorWindow == window)
-                updateClipRect(window);
+                captureCursor(window);
 
             if (window->win32.iconified != iconified)
                 _glfwInputWindowIconify(window, iconified);
@@ -1040,8 +1055,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
 
         case WM_MOVE:
         {
-            if (_glfw.win32.disabledCursorWindow == window)
+            if (_glfw.win32.capturedCursorWindow == window)
-                updateClipRect(window);
+                captureCursor(window);
 
             // NOTE: This cannot use LOWORD/HIWORD recommended by MSDN, as
             // those macros do not handle negative window positions correctly
@@ -1301,17 +1316,27 @@ static int createNativeWindow(_GLFWwindow* window,
     }
     else
     {
-        xpos = CW_USEDEFAULT;
+        RECT rect = { 0, 0, wndconfig->width, wndconfig->height };
-        ypos = CW_USEDEFAULT;
 
         window->win32.maximized = wndconfig->maximized;
         if (wndconfig->maximized)
             style |= WS_MAXIMIZE;
 
-        getFullWindowSize(style, exStyle,
+        AdjustWindowRectEx(&rect, style, FALSE, exStyle);
-                          wndconfig->width, wndconfig->height,
+
-                          &fullWidth, &fullHeight,
+        if (wndconfig->xpos == GLFW_ANY_POSITION && wndconfig->ypos == GLFW_ANY_POSITION)
-                          USER_DEFAULT_SCREEN_DPI);
+        {
+            xpos = CW_USEDEFAULT;
+            ypos = CW_USEDEFAULT;
+        }
+        else
+        {
+            xpos = wndconfig->xpos + rect.left;
+            ypos = wndconfig->ypos + rect.top;
+        }
+
+        fullWidth = rect.right - rect.left;
+        fullHeight = rect.bottom - rect.top;
     }
 
     wideTitle = _glfwCreateWideStringFromUTF8Win32(wndconfig->title);
@@ -1495,7 +1520,10 @@ void _glfwDestroyWindowWin32(_GLFWwindow* window)
         window->context.destroy(window);
 
     if (_glfw.win32.disabledCursorWindow == window)
-        _glfw.win32.disabledCursorWindow = NULL;
+        enableCursor(window);
+
+    if (_glfw.win32.capturedCursorWindow == window)
+        releaseCursor();
 
     if (window->win32.handle)
     {
@@ -2147,15 +2175,41 @@ void _glfwSetCursorPosWin32(_GLFWwindow* window, double xpos, double ypos)
 }
 
 void _glfwSetCursorModeWin32(_GLFWwindow* window, int mode)
+{
+    if (_glfwWindowFocusedWin32(window))
     {
         if (mode == GLFW_CURSOR_DISABLED)
         {
-        if (_glfwWindowFocusedWin32(window))
+            _glfwGetCursorPosWin32(window,
-            disableCursor(window);
+                                   &_glfw.win32.restoreCursorPosX,
+                                   &_glfw.win32.restoreCursorPosY);
+            _glfwCenterCursorInContentArea(window);
+            if (window->rawMouseMotion)
+                enableRawMouseMotion(window);
         }
         else if (_glfw.win32.disabledCursorWindow == window)
-        enableCursor(window);
+        {
-    else if (cursorInContentArea(window))
+            if (window->rawMouseMotion)
+                disableRawMouseMotion(window);
+        }
+
+        if (mode == GLFW_CURSOR_DISABLED || mode == GLFW_CURSOR_CAPTURED)
+            captureCursor(window);
+        else
+            releaseCursor();
+
+        if (mode == GLFW_CURSOR_DISABLED)
+            _glfw.win32.disabledCursorWindow = window;
+        else if (_glfw.win32.disabledCursorWindow == window)
+        {
+            _glfw.win32.disabledCursorWindow = NULL;
+            _glfwSetCursorPosWin32(window,
+                                   _glfw.win32.restoreCursorPosX,
+                                   _glfw.win32.restoreCursorPosY);
+        }
+    }
+
+    if (cursorInContentArea(window))
         updateCursorImage(window);
 }
 

src/window.c

@@ -274,6 +274,8 @@ void glfwDefaultWindowHints(void)
     _glfw.hints.window.autoIconify  = GLFW_TRUE;
     _glfw.hints.window.centerCursor = GLFW_TRUE;
     _glfw.hints.window.focusOnShow  = GLFW_TRUE;
+    _glfw.hints.window.xpos         = GLFW_ANY_POSITION;
+    _glfw.hints.window.ypos         = GLFW_ANY_POSITION;
 
     // The default is 24 bits of color, 24 bits of depth and 8 bits of stencil,
     // double buffered
@@ -368,6 +370,12 @@ GLFWAPI void glfwWindowHint(int hint, int value)
         case GLFW_VISIBLE:
             _glfw.hints.window.visible = value ? GLFW_TRUE : GLFW_FALSE;
             return;
+        case GLFW_POSITION_X:
+            _glfw.hints.window.xpos = value;
+            return;
+        case GLFW_POSITION_Y:
+            _glfw.hints.window.ypos = value;
+            return;
         case GLFW_COCOA_RETINA_FRAMEBUFFER:
             _glfw.hints.window.ns.retina = value ? GLFW_TRUE : GLFW_FALSE;
             return;
@@ -447,6 +455,10 @@ GLFWAPI void glfwWindowHintString(int hint, const char* value)
             strncpy(_glfw.hints.window.x11.instanceName, value,
                     sizeof(_glfw.hints.window.x11.instanceName) - 1);
             return;
+        case GLFW_WAYLAND_APP_ID:
+            strncpy(_glfw.hints.window.wl.appId, value,
+                    sizeof(_glfw.hints.window.wl.appId) - 1);
+            return;
     }
 
     _glfwInputError(GLFW_INVALID_ENUM, "Invalid window hint string 0x%08X", hint);

src/wl_platform.h

@@ -258,6 +258,7 @@ typedef struct _GLFWwindowWayland
     double                      cursorPosX, cursorPosY;
 
     char*                       title;
+    char*                       appId;
 
     // We need to track the monitors the window spans on to calculate the
     // optimal scaling factor.
@@ -266,10 +267,9 @@ typedef struct _GLFWwindowWayland
     int                         monitorsCount;
     int                         monitorsSize;
 
-    struct {
     struct zwp_relative_pointer_v1* relativePointer;
     struct zwp_locked_pointer_v1*   lockedPointer;
-    } pointerLock;
+    struct zwp_confined_pointer_v1* confinedPointer;
 
     struct zwp_idle_inhibitor_v1*          idleInhibitor;
 

src/wl_window.c

@@ -614,6 +614,9 @@ static GLFWbool createShellObjects(_GLFWwindow* window)
 
     xdg_toplevel_add_listener(window->wl.xdg.toplevel, &xdgToplevelListener, window);
 
+    if (window->wl.appId)
+        xdg_toplevel_set_app_id(window->wl.xdg.toplevel, window->wl.appId);
+
     if (window->wl.title)
         xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title);
 
@@ -728,6 +731,7 @@ static GLFWbool createNativeSurface(_GLFWwindow* window,
     window->wl.height = wndconfig->height;
     window->wl.scale = 1;
     window->wl.title = _glfw_strdup(wndconfig->title);
+    window->wl.appId = _glfw_strdup(wndconfig->wl.appId);
 
     window->wl.maximized = wndconfig->maximized;
 
@@ -1850,6 +1854,15 @@ void _glfwDestroyWindowWayland(_GLFWwindow* window)
     if (window->wl.idleInhibitor)
         zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor);
 
+    if (window->wl.relativePointer)
+        zwp_relative_pointer_v1_destroy(window->wl.relativePointer);
+
+    if (window->wl.lockedPointer)
+        zwp_locked_pointer_v1_destroy(window->wl.lockedPointer);
+
+    if (window->wl.confinedPointer)
+        zwp_confined_pointer_v1_destroy(window->wl.confinedPointer);
+
     if (window->context.destroy)
         window->context.destroy(window);
 
@@ -1865,6 +1878,7 @@ void _glfwDestroyWindowWayland(_GLFWwindow* window)
         wl_surface_destroy(window->wl.surface);
 
     _glfw_free(window->wl.title);
+    _glfw_free(window->wl.appId);
     _glfw_free(window->wl.monitors);
 }
 
@@ -2241,16 +2255,10 @@ 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))
+    _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
-    {
+                    "Wayland: The platform does not support setting the cursor position");
-        zwp_locked_pointer_v1_set_cursor_position_hint(
-            window->wl.pointerLock.lockedPointer,
-            wl_fixed_from_double(x), wl_fixed_from_double(y));
-    }
 }
 
 void _glfwSetCursorModeWayland(_GLFWwindow* window, int mode)
@@ -2484,22 +2492,6 @@ 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);
-
-    window->wl.pointerLock.relativePointer = NULL;
-    window->wl.pointerLock.lockedPointer = NULL;
-}
-
-static void lockPointer(_GLFWwindow* window);
-
 static void lockedPointerHandleUnlocked(void* userData,
                                         struct zwp_locked_pointer_v1* lockedPointer)
 {
@@ -2513,52 +2505,81 @@ 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,
+        _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
-                        "Wayland: no relative pointer manager");
+                        "Wayland: The compositor does not support pointer locking");
         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)
+static void unlockPointer(_GLFWwindow* window)
 {
-    return window->wl.pointerLock.lockedPointer != NULL;
+    zwp_relative_pointer_v1_destroy(window->wl.relativePointer);
+    window->wl.relativePointer = NULL;
+
+    zwp_locked_pointer_v1_destroy(window->wl.lockedPointer);
+    window->wl.lockedPointer = NULL;
+}
+
+static void confinedPointerHandleConfined(void* userData,
+                                          struct zwp_confined_pointer_v1* confinedPointer)
+{
+}
+
+static void confinedPointerHandleUnconfined(void* userData,
+                                            struct zwp_confined_pointer_v1* confinedPointer)
+{
+}
+
+static const struct zwp_confined_pointer_v1_listener confinedPointerListener =
+{
+    confinedPointerHandleConfined,
+    confinedPointerHandleUnconfined
+};
+
+static void confinePointer(_GLFWwindow* window)
+{
+    window->wl.confinedPointer =
+        zwp_pointer_constraints_v1_confine_pointer(
+            _glfw.wl.pointerConstraints,
+            window->wl.surface,
+            _glfw.wl.pointer,
+            NULL,
+            ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
+
+    zwp_confined_pointer_v1_add_listener(window->wl.confinedPointer,
+                                         &confinedPointerListener,
+                                         window);
+}
+
+static void unconfinePointer(_GLFWwindow* window)
+{
+    zwp_confined_pointer_v1_destroy(window->wl.confinedPointer);
+    window->wl.confinedPointer = NULL;
 }
 
 void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
 {
-    struct wl_cursor* defaultCursor;
-    struct wl_cursor* defaultCursorHiDPI = NULL;
-
     if (!_glfw.wl.pointer)
         return;
 
@@ -2569,29 +2590,55 @@ 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.
+    // Update pointer lock to match cursor mode
-    if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window))
+    if (window->cursorMode == GLFW_CURSOR_DISABLED)
+    {
+        if (window->wl.confinedPointer)
+            unconfinePointer(window);
+        if (!window->wl.lockedPointer)
+            lockPointer(window);
+    }
+    else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+    {
+        if (window->wl.lockedPointer)
             unlockPointer(window);
+        if (!window->wl.confinedPointer)
+            confinePointer(window);
+    }
+    else if (window->cursorMode == GLFW_CURSOR_NORMAL ||
+             window->cursorMode == GLFW_CURSOR_HIDDEN)
+    {
+        if (window->wl.lockedPointer)
+            unlockPointer(window);
+        else if (window->wl.confinedPointer)
+            unconfinePointer(window);
+    }
 
-    if (window->cursorMode == GLFW_CURSOR_NORMAL)
+    if (window->cursorMode == GLFW_CURSOR_NORMAL ||
+        window->cursorMode == GLFW_CURSOR_CAPTURED)
     {
         if (cursor)
             setCursorImage(window, &cursor->wl);
         else
         {
-            defaultCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme,
+            struct wl_cursor* defaultCursor =
-                                                       "left_ptr");
+                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,
+                    wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, "left_ptr");
-                                               "left_ptr");
+            }
-            _GLFWcursorWayland cursorWayland = {
+
+            _GLFWcursorWayland cursorWayland =
+            {
                 defaultCursor,
                 defaultCursorHiDPI,
                 NULL,
@@ -2599,15 +2646,12 @@ void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
                 0, 0,
                 0
             };
+
             setCursorImage(window, &cursorWayland);
         }
     }
-    else if (window->cursorMode == GLFW_CURSOR_DISABLED)
+    else if (window->cursorMode == GLFW_CURSOR_HIDDEN ||
-    {
+             window->cursorMode == GLFW_CURSOR_DISABLED)
-        if (!isPointerLocked(window))
-            lockPointer(window);
-    }
-    else if (window->cursorMode == GLFW_CURSOR_HIDDEN)
     {
         wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, NULL, 0, 0);
     }

src/x11_platform.h

@@ -480,7 +480,6 @@ typedef struct _GLFWlibraryGLX
     int             eventBase;
     int             errorBase;
 
-    // dlopen handle for libGL.so.1
     void*           handle;
 
     // GLX 1.3 functions

src/x11_window.c

@@ -271,6 +271,11 @@ static void updateNormalHints(_GLFWwindow* window, int width, int height)
 {
     XSizeHints* hints = XAllocSizeHints();
 
+    long supplied;
+    XGetWMNormalHints(_glfw.x11.display, window->x11.handle, hints, &supplied);
+
+    hints->flags &= ~(PMinSize | PMaxSize | PAspect);
+
     if (!window->monitor)
     {
         if (window->resizable)
@@ -307,9 +312,6 @@ static void updateNormalHints(_GLFWwindow* window, int width, int height)
         }
     }
 
-    hints->flags |= PWinGravity;
-    hints->win_gravity = StaticGravity;
-
     XSetWMNormalHints(_glfw.x11.display, window->x11.handle, hints);
     XFree(hints);
 }
@@ -454,7 +456,8 @@ static char* convertLatin1toUTF8(const char* source)
 //
 static void updateCursorImage(_GLFWwindow* window)
 {
-    if (window->cursorMode == GLFW_CURSOR_NORMAL)
+    if (window->cursorMode == GLFW_CURSOR_NORMAL ||
+        window->cursorMode == GLFW_CURSOR_CAPTURED)
     {
         if (window->cursor)
         {
@@ -471,6 +474,25 @@ static void updateCursorImage(_GLFWwindow* window)
     }
 }
 
+// Grabs the cursor and confines it to the window
+//
+static void captureCursor(_GLFWwindow* window)
+{
+    XGrabPointer(_glfw.x11.display, window->x11.handle, True,
+                 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+                 GrabModeAsync, GrabModeAsync,
+                 window->x11.handle,
+                 None,
+                 CurrentTime);
+}
+
+// Ungrabs the cursor
+//
+static void releaseCursor(void)
+{
+    XUngrabPointer(_glfw.x11.display, CurrentTime);
+}
+
 // Enable XI2 raw mouse motion events
 //
 static void enableRawMouseMotion(_GLFWwindow* window)
@@ -513,12 +535,7 @@ static void disableCursor(_GLFWwindow* window)
                          &_glfw.x11.restoreCursorPosY);
     updateCursorImage(window);
     _glfwCenterCursorInContentArea(window);
-    XGrabPointer(_glfw.x11.display, window->x11.handle, True,
+    captureCursor(window);
-                 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
-                 GrabModeAsync, GrabModeAsync,
-                 window->x11.handle,
-                 _glfw.x11.hiddenCursorHandle,
-                 CurrentTime);
 }
 
 // Exit disabled cursor mode for the specified window
@@ -529,7 +546,7 @@ static void enableCursor(_GLFWwindow* window)
         disableRawMouseMotion(window);
 
     _glfw.x11.disabledCursorWindow = NULL;
-    XUngrabPointer(_glfw.x11.display, CurrentTime);
+    releaseCursor();
     _glfwSetCursorPosX11(window,
                          _glfw.x11.restoreCursorPosX,
                          _glfw.x11.restoreCursorPosY);
@@ -559,6 +576,14 @@ static GLFWbool createNativeWindow(_GLFWwindow* window,
         height *= _glfw.x11.contentScaleY;
     }
 
+    int xpos = 0, ypos = 0;
+
+    if (wndconfig->xpos != GLFW_ANY_POSITION && wndconfig->ypos != GLFW_ANY_POSITION)
+    {
+        xpos = wndconfig->xpos;
+        ypos = wndconfig->ypos;
+    }
+
     // Create a colormap based on the visual used by the current context
     window->x11.colormap = XCreateColormap(_glfw.x11.display,
                                            _glfw.x11.root,
@@ -579,7 +604,7 @@ static GLFWbool createNativeWindow(_GLFWwindow* window,
     window->x11.parent = _glfw.x11.root;
     window->x11.handle = XCreateWindow(_glfw.x11.display,
                                        _glfw.x11.root,
-                                       0, 0,   // Position
+                                       xpos, ypos,
                                        width, height,
                                        0,      // Border width
                                        depth,  // Color depth
@@ -682,7 +707,37 @@ static GLFWbool createNativeWindow(_GLFWwindow* window,
         XFree(hints);
     }
 
-    updateNormalHints(window, width, height);
+    // Set ICCCM WM_NORMAL_HINTS property
+    {
+        XSizeHints* hints = XAllocSizeHints();
+        if (!hints)
+        {
+            _glfwInputError(GLFW_OUT_OF_MEMORY, "X11: Failed to allocate size hints");
+            return GLFW_FALSE;
+        }
+
+        if (!wndconfig->resizable)
+        {
+            hints->flags |= (PMinSize | PMaxSize);
+            hints->min_width  = hints->max_width  = width;
+            hints->min_height = hints->max_height = height;
+        }
+
+        // HACK: Explicitly setting PPosition to any value causes some WMs, notably
+        //       Compiz and Metacity, to honor the position of unmapped windows
+        if (wndconfig->xpos != GLFW_ANY_POSITION && wndconfig->ypos != GLFW_ANY_POSITION)
+        {
+            hints->flags |= PPosition;
+            hints->x = 0;
+            hints->y = 0;
+        }
+
+        hints->flags |= PWinGravity;
+        hints->win_gravity = StaticGravity;
+
+        XSetWMNormalHints(_glfw.x11.display, window->x11.handle, hints);
+        XFree(hints);
+    }
 
     // Set ICCCM WM_CLASS property
     {
@@ -1692,6 +1747,8 @@ static void processEvent(XEvent *event)
 
             if (window->cursorMode == GLFW_CURSOR_DISABLED)
                 disableCursor(window);
+            else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+                captureCursor(window);
 
             if (window->x11.ic)
                 XSetICFocus(window->x11.ic);
@@ -1712,6 +1769,8 @@ static void processEvent(XEvent *event)
 
             if (window->cursorMode == GLFW_CURSOR_DISABLED)
                 enableCursor(window);
+            else if (window->cursorMode == GLFW_CURSOR_CAPTURED)
+                releaseCursor();
 
             if (window->x11.ic)
                 XUnsetICFocus(window->x11.ic);
@@ -1987,7 +2046,7 @@ GLFWbool _glfwCreateWindowX11(_GLFWwindow* window,
 void _glfwDestroyWindowX11(_GLFWwindow* window)
 {
     if (_glfw.x11.disabledCursorWindow == window)
-        _glfw.x11.disabledCursorWindow = NULL;
+        enableCursor(window);
 
     if (window->monitor)
         releaseMonitor(window);
@@ -2822,17 +2881,41 @@ void _glfwSetCursorPosX11(_GLFWwindow* window, double x, double y)
 }
 
 void _glfwSetCursorModeX11(_GLFWwindow* window, int mode)
+{
+    if (_glfwWindowFocusedX11(window))
     {
         if (mode == GLFW_CURSOR_DISABLED)
         {
-        if (_glfwWindowFocusedX11(window))
+            _glfwGetCursorPosX11(window,
-            disableCursor(window);
+                                 &_glfw.x11.restoreCursorPosX,
+                                 &_glfw.x11.restoreCursorPosY);
+            _glfwCenterCursorInContentArea(window);
+            if (window->rawMouseMotion)
+                enableRawMouseMotion(window);
         }
         else if (_glfw.x11.disabledCursorWindow == window)
-        enableCursor(window);
+        {
-    else
+            if (window->rawMouseMotion)
-        updateCursorImage(window);
+                disableRawMouseMotion(window);
+        }
 
+        if (mode == GLFW_CURSOR_DISABLED || mode == GLFW_CURSOR_CAPTURED)
+            captureCursor(window);
+        else
+            releaseCursor();
+
+        if (mode == GLFW_CURSOR_DISABLED)
+            _glfw.x11.disabledCursorWindow = window;
+        else if (_glfw.x11.disabledCursorWindow == window)
+        {
+            _glfw.x11.disabledCursorWindow = NULL;
+            _glfwSetCursorPosX11(window,
+                                 _glfw.x11.restoreCursorPosX,
+                                 _glfw.x11.restoreCursorPosY);
+        }
+    }
+
+    updateCursorImage(window);
     XFlush(_glfw.x11.display);
 }
 
@@ -2988,7 +3071,8 @@ void _glfwDestroyCursorX11(_GLFWcursor* cursor)
 
 void _glfwSetCursorX11(_GLFWwindow* window, _GLFWcursor* cursor)
 {
-    if (window->cursorMode == GLFW_CURSOR_NORMAL)
+    if (window->cursorMode == GLFW_CURSOR_NORMAL ||
+        window->cursorMode == GLFW_CURSOR_CAPTURED)
     {
         updateCursorImage(window);
         XFlush(_glfw.x11.display);

tests/cursor.c

@@ -172,7 +172,8 @@ static void key_callback(GLFWwindow* window, int key, int scancode, int action,
 
         case GLFW_KEY_ESCAPE:
         {
-            if (glfwGetInputMode(window, GLFW_CURSOR) != GLFW_CURSOR_DISABLED)
+            const int mode = glfwGetInputMode(window, GLFW_CURSOR);
+            if (mode != GLFW_CURSOR_DISABLED && mode != GLFW_CURSOR_CAPTURED)
             {
                 glfwSetWindowShouldClose(window, GLFW_TRUE);
                 break;
@@ -197,6 +198,11 @@ static void key_callback(GLFWwindow* window, int key, int scancode, int action,
             printf("(( cursor is hidden ))\n");
             break;
 
+        case GLFW_KEY_C:
+            glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_CAPTURED);
+            printf("(( cursor is captured ))\n");
+            break;
+
         case GLFW_KEY_R:
             if (!glfwRawMouseMotionSupported())
                 break;

tests/threads.c

@@ -96,10 +96,11 @@ int main(void)
     if (!glfwInit())
         exit(EXIT_FAILURE);
 
-    glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
-
     for (i = 0;  i < count;  i++)
     {
+        glfwWindowHint(GLFW_POSITION_X, 200 + 250 * i);
+        glfwWindowHint(GLFW_POSITION_Y, 200);
+
         threads[i].window = glfwCreateWindow(200, 200,
                                              threads[i].title,
                                              NULL, NULL);
@@ -110,9 +111,6 @@ int main(void)
         }
 
         glfwSetKeyCallback(threads[i].window, key_callback);
-
-        glfwSetWindowPos(threads[i].window, 200 + 250 * i, 200);
-        glfwShowWindow(threads[i].window);
     }
 
     glfwMakeContextCurrent(threads[0].window);