File 0007-libdecor-proper-decorations-with-title-and... of Package glfw

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File 0007-libdecor-proper-decorations-with-title-and-window-bu.patch of Package glfw (Revision f2e08645ce64e1fb1e7736961e285e16)

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ecmel=20Berk=20Canl=C4=B1er?= <me@ecmelberk.com>
Date: Tue, 28 Dec 2021 20:32:52 +0300
Subject: libdecor: proper decorations with title and window buttons

Squashed https://github.com/glfw/glfw/pull/1693

commit 2fad37473f20406159dde6e43c3c24fa241686d7
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Mon Feb 10 00:59:44 2020 +0000

wl: add decorations

commit 7ec585b8eb5169896876f11a68c12311237fd9e1
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Sun Feb 9 14:56:27 2020 +0000

wl: deactivate 'viewporter' decorations

commit b2ecb88f3f2cf7bccbf56afacfe2de130873a610
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Sun Feb 9 14:01:58 2020 +0000

cmake: add 'libdecor' dependency

commit 8b539bd285d2b7abc3511286f34bffbdc78c9837
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Fri Jul 16 23:40:45 2021 +0100

CI: install libdecor from upstream

commit 5df88303d22f5fd0861b6b8023e795c84ef31ae9
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Fri Jun 19 00:05:12 2020 +0100

cmake: enable AddressSanitizer in Debug builds

commit ce0e2096b556c6753b8c21ec841b09321f9ee54e
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Mon May 3 23:46:21 2021 +0100

make windows opaque by default

commit 69f6e358e266581ec21d3e602c626d54abb06b39
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Sat May 9 21:06:23 2020 +0100

wl: initialise fullscreen

commit 96ad19143d8d20553bfb86d440faaaf91eaff955
Author: Christian Rauch <Rauch.Christian@gmx.de>
Date:   Sun Apr 12 14:21:03 2020 +0100

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d87ae8d1..efe120a3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,6 +43,12 @@ jobs:
               run: |
                   sudo apt update
                   sudo apt install wayland-protocols libwayland-dev libxkbcommon-dev
+                  sudo apt install meson libpango1.0-dev
+                  git clone --depth 1 https://gitlab.gnome.org/jadahl/libdecor.git --branch 0.1.0
+                  cd libdecor
+                  meson build --buildtype release -Ddemo=false -Ddbus=disabled
+                  ninja -C build
+                  sudo meson install -C build
 
             - name: Configure static library
               run: cmake -S . -B build-static -D GLFW_USE_WAYLAND=ON
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77cdc945..3377bde0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,8 @@ cmake_dependent_option(GLFW_USE_WAYLAND "Use Wayland for window creation" OFF
                        "UNIX;NOT APPLE" OFF)
 cmake_dependent_option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON
                        "MSVC" OFF)
+cmake_dependent_option(GLFW_USE_LIBDECOR "use libdecor for client-side window decorations" ON
+                       "GLFW_USE_WAYLAND" OFF)
 
 if (BUILD_SHARED_LIBS AND UNIX)
     # On Unix-like systems, shared libraries can use the soname system.
@@ -66,6 +68,25 @@ if (GLFW_BUILD_DOCS)
     find_package(Doxygen)
 endif()
 
+if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} \
+        -fsanitize=address \
+        -fsanitize=bool \
+        -fsanitize=bounds \
+        -fsanitize=enum \
+        -fsanitize=float-cast-overflow \
+        -fsanitize=float-divide-by-zero \
+        -fsanitize=nonnull-attribute \
+        -fsanitize=returns-nonnull-attribute \
+        -fsanitize=signed-integer-overflow \
+        -fsanitize=undefined \
+        -fsanitize=vla-bound \
+        -fno-sanitize=alignment \
+        -fsanitize=leak \
+        -fsanitize=object-size \
+    ")
+endif()
+
 #--------------------------------------------------------------------
 # Apply Microsoft C runtime library option
 # This is here because it also applies to tests and examples
@@ -207,6 +228,14 @@ if (_GLFW_WAYLAND)
     list(APPEND glfw_INCLUDE_DIRS "${Wayland_INCLUDE_DIRS}")
     list(APPEND glfw_LIBRARIES "${Wayland_LINK_LIBRARIES}")
 
+    if (GLFW_USE_LIBDECOR)
+        pkg_check_modules(libdecor REQUIRED libdecor-0)
+        list(APPEND glfw_PKG_DEPS "libdecor-0")
+        list(APPEND glfw_INCLUDE_DIRS "${libdecor_INCLUDE_DIRS}")
+        list(APPEND glfw_LIBRARIES "${libdecor_LINK_LIBRARIES}")
+        add_definitions(-DWITH_DECORATION)
+    endif()
+
     include(CheckIncludeFiles)
     include(CheckFunctionExists)
     check_include_files(xkbcommon/xkbcommon-compose.h HAVE_XKBCOMMON_COMPOSE_H)
diff --git a/src/window.c b/src/window.c
index 518b27fd..688971f3 100644
--- a/src/window.c
+++ b/src/window.c
@@ -279,7 +279,7 @@ void glfwDefaultWindowHints(void)
     _glfw.hints.framebuffer.redBits      = 8;
     _glfw.hints.framebuffer.greenBits    = 8;
     _glfw.hints.framebuffer.blueBits     = 8;
-    _glfw.hints.framebuffer.alphaBits    = 8;
+    _glfw.hints.framebuffer.alphaBits    = 0;
     _glfw.hints.framebuffer.depthBits    = 24;
     _glfw.hints.framebuffer.stencilBits  = 8;
     _glfw.hints.framebuffer.doublebuffer = GLFW_TRUE;
diff --git a/src/wl_init.c b/src/wl_init.c
index 4988d3a5..f43a0f82 100644
--- a/src/wl_init.c
+++ b/src/wl_init.c
@@ -42,11 +42,14 @@
 #include <wayland-client.h>
 
 
+const char *proxy_tag = "glfw-proxy";
+
 static inline int min(int n1, int n2)
 {
     return n1 < n2 ? n1 : n2;
 }
 
+#ifndef WITH_DECORATION
 static _GLFWwindow* findWindowFromDecorationSurface(struct wl_surface* surface,
                                                     int* which)
 {
@@ -80,6 +83,20 @@ static _GLFWwindow* findWindowFromDecorationSurface(struct wl_surface* surface,
     }
     return window;
 }
+#endif
+
+#ifdef WITH_DECORATION
+void decoration_error(struct libdecor *context,
+                      enum libdecor_error error,
+                      const char *message)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Caught error (%d): %s\n", error, message);
+}
+
+static struct libdecor_interface decoration_interface = {
+    decoration_error,
+};
+#endif
 
 static void pointerHandleEnter(void* data,
                                struct wl_pointer* pointer,
@@ -92,8 +109,16 @@ static void pointerHandleEnter(void* data,
     if (!surface)
         return;
 
+    if (wl_proxy_get_tag((struct wl_proxy *) surface) != &proxy_tag)
+        return;
+
+    _GLFWwindow* window = wl_surface_get_user_data(surface);
+
+#ifdef WITH_DECORATION
+    if (surface != window->wl.surface)
+        return;
+#else
     int focus = 0;
-    _GLFWwindow* window = wl_surface_get_user_data(surface);
     if (!window)
     {
         window = findWindowFromDecorationSurface(surface, &focus);
@@ -102,6 +127,8 @@ static void pointerHandleEnter(void* data,
     }
 
     window->wl.decorations.focus = focus;
+#endif
+
     _glfw.wl.serial = serial;
     _glfw.wl.pointerFocus = window;
 
@@ -189,9 +216,16 @@ static void pointerHandleMotion(void* data,
 
     if (window->cursorMode == GLFW_CURSOR_DISABLED)
         return;
+
     x = wl_fixed_to_double(sx);
     y = wl_fixed_to_double(sy);
 
+#ifdef WITH_DECORATION
+    window->wl.cursorPosX = x;
+    window->wl.cursorPosY = y;
+    _glfwInputCursorPos(window, x, y);
+    _glfw.wl.cursorPreviousName = NULL;
+#else
     switch (window->wl.decorations.focus)
     {
         case mainWindow:
@@ -229,6 +263,7 @@ static void pointerHandleMotion(void* data,
         default:
             assert(0);
     }
+#endif
     if (_glfw.wl.cursorPreviousName != cursorName)
         setCursor(window, cursorName);
 }
@@ -242,10 +277,11 @@ static void pointerHandleButton(void* data,
 {
     _GLFWwindow* window = _glfw.wl.pointerFocus;
     int glfwButton;
+
+    if (!window)
+        return;
+#ifndef WITH_DECORATION
     uint32_t edges = XDG_TOPLEVEL_RESIZE_EDGE_NONE;
-
-    if (!window)
-        return;
     if (button == BTN_LEFT)
     {
         switch (window->wl.decorations.focus)
@@ -304,6 +340,7 @@ static void pointerHandleButton(void* data,
     // Don’t pass the button to the user if it was related to a decoration.
     if (window->wl.decorations.focus != mainWindow)
         return;
+#endif
 
     _glfw.wl.serial = serial;
 
@@ -466,13 +503,21 @@ static void keyboardHandleEnter(void* data,
     if (!surface)
         return;
 
+    if (wl_proxy_get_tag((struct wl_proxy *) surface) != &proxy_tag)
+        return;
+
     _GLFWwindow* window = wl_surface_get_user_data(surface);
+#ifdef WITH_DECORATION
+    if (surface != window->wl.surface)
+        return;
+#else
     if (!window)
     {
         window = findWindowFromDecorationSurface(surface, NULL);
         if (!window)
             return;
     }
+#endif
 
     _glfw.wl.serial = serial;
     _glfw.wl.keyboardFocus = window;
@@ -767,6 +812,7 @@ static const struct wl_data_device_listener dataDeviceListener = {
     dataDeviceHandleSelection,
 };
 
+#ifndef WITH_DECORATION
 static void wmBaseHandlePing(void* data,
                              struct xdg_wm_base* wmBase,
                              uint32_t serial)
@@ -777,6 +823,7 @@ static void wmBaseHandlePing(void* data,
 static const struct xdg_wm_base_listener wmBaseListener = {
     wmBaseHandlePing
 };
+#endif
 
 static void registryHandleGlobal(void* data,
                                  struct wl_registry* registry,
@@ -825,6 +872,7 @@ static void registryHandleGlobal(void* data,
                                  &wl_data_device_manager_interface, 1);
         }
     }
+#ifndef WITH_DECORATION
     else if (strcmp(interface, "xdg_wm_base") == 0)
     {
         _glfw.wl.wmBase =
@@ -843,6 +891,7 @@ static void registryHandleGlobal(void* data,
         _glfw.wl.viewporter =
             wl_registry_bind(registry, name, &wp_viewporter_interface, 1);
     }
+#endif
     else if (strcmp(interface, "zwp_relative_pointer_manager_v1") == 0)
     {
         _glfw.wl.relativePointerManager =
@@ -1150,12 +1199,14 @@ int _glfwPlatformInit(void)
     if (_glfw.wl.seatVersion >= 4)
         _glfw.wl.timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC | TFD_NONBLOCK);
 
+#ifndef WITH_DECORATION
     if (!_glfw.wl.wmBase)
     {
         _glfwInputError(GLFW_PLATFORM_ERROR,
                         "Wayland: Failed to find xdg-shell in your compositor");
         return GLFW_FALSE;
     }
+#endif
 
     if (_glfw.wl.pointer && _glfw.wl.shm)
     {
@@ -1201,6 +1252,10 @@ int _glfwPlatformInit(void)
         _glfw.wl.clipboardSize = 4096;
     }
 
+#ifdef WITH_DECORATION
+    _glfw.wl.csd_context = libdecor_new(_glfw.wl.display, &decoration_interface);
+#endif
+
     return GLFW_TRUE;
 }
 
@@ -1247,12 +1302,16 @@ void _glfwPlatformTerminate(void)
         wl_compositor_destroy(_glfw.wl.compositor);
     if (_glfw.wl.shm)
         wl_shm_destroy(_glfw.wl.shm);
+#ifdef WITH_DECORATION
+    libdecor_unref(_glfw.wl.csd_context);
+#else
     if (_glfw.wl.viewporter)
         wp_viewporter_destroy(_glfw.wl.viewporter);
     if (_glfw.wl.decorationManager)
         zxdg_decoration_manager_v1_destroy(_glfw.wl.decorationManager);
     if (_glfw.wl.wmBase)
         xdg_wm_base_destroy(_glfw.wl.wmBase);
+#endif
     if (_glfw.wl.dataSource)
         wl_data_source_destroy(_glfw.wl.dataSource);
     if (_glfw.wl.dataDevice)
diff --git a/src/wl_platform.h b/src/wl_platform.h
index 966155fd..b6b3392e 100644
--- a/src/wl_platform.h
+++ b/src/wl_platform.h
@@ -54,13 +54,18 @@ typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR
 #endif
 #include "xkb_unicode.h"
 
-#include "wayland-xdg-shell-client-protocol.h"
-#include "wayland-xdg-decoration-client-protocol.h"
-#include "wayland-viewporter-client-protocol.h"
 #include "wayland-relative-pointer-unstable-v1-client-protocol.h"
 #include "wayland-pointer-constraints-unstable-v1-client-protocol.h"
 #include "wayland-idle-inhibit-unstable-v1-client-protocol.h"
 
+#ifdef WITH_DECORATION
+#include <libdecor.h>
+#else
+#include "wayland-xdg-shell-client-protocol.h"
+#include "wayland-xdg-decoration-client-protocol.h"
+#include "wayland-viewporter-client-protocol.h"
+#endif
+
 #define _glfw_dlopen(name) dlopen(name, RTLD_LAZY | RTLD_LOCAL)
 #define _glfw_dlclose(handle) dlclose(handle)
 #define _glfw_dlsym(handle, name) dlsym(handle, name)
@@ -146,6 +151,7 @@ typedef xkb_keysym_t (* PFN_xkb_compose_state_get_one_sym)(struct xkb_compose_st
 #define _GLFW_DECORATION_VERTICAL (_GLFW_DECORATION_TOP + _GLFW_DECORATION_WIDTH)
 #define _GLFW_DECORATION_HORIZONTAL (2 * _GLFW_DECORATION_WIDTH)
 
+#ifndef WITH_DECORATION
 typedef enum _GLFWdecorationSideWayland
 {
     mainWindow,
@@ -163,6 +169,7 @@ typedef struct _GLFWdecorationWayland
     struct wp_viewport*         viewport;
 
 } _GLFWdecorationWayland;
+#endif
 
 // Wayland-specific per-window data
 //
@@ -177,11 +184,13 @@ typedef struct _GLFWwindowWayland
     struct wl_egl_window*       native;
     struct wl_callback*         callback;
 
+#ifndef WITH_DECORATION
     struct {
         struct xdg_surface*     surface;
         struct xdg_toplevel*    toplevel;
         struct zxdg_toplevel_decoration_v1* decoration;
     } xdg;
+#endif
 
     _GLFWcursor*                currentCursor;
     double                      cursorPosX, cursorPosY;
@@ -204,12 +213,16 @@ typedef struct _GLFWwindowWayland
 
     GLFWbool                    wasFullscreen;
 
+#ifndef WITH_DECORATION
     struct {
         GLFWbool                           serverSide;
         struct wl_buffer*                  buffer;
         _GLFWdecorationWayland             top, left, right, bottom;
         int                                focus;
     } decorations;
+#else
+    struct libdecor_frame                   *decoration_frame;
+#endif
 
 } _GLFWwindowWayland;
 
@@ -229,9 +242,13 @@ typedef struct _GLFWlibraryWayland
     struct wl_data_device*      dataDevice;
     struct wl_data_offer*       dataOffer;
     struct wl_data_source*      dataSource;
+#ifdef WITH_DECORATION
+    struct libdecor             *csd_context;
+#else
     struct xdg_wm_base*         wmBase;
     struct zxdg_decoration_manager_v1*      decorationManager;
     struct wp_viewporter*       viewporter;
+#endif
     struct zwp_relative_pointer_manager_v1* relativePointerManager;
     struct zwp_pointer_constraints_v1*      pointerConstraints;
     struct zwp_idle_inhibit_manager_v1*     idleInhibitManager;
diff --git a/src/wl_window.c b/src/wl_window.c
index bf188e27..ddf5ad37 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -40,6 +40,12 @@
 #include <sys/timerfd.h>
 #include <poll.h>
 
+#ifdef WITH_DECORATION
+#include <libdecor.h>
+#endif
+
+
+extern const char *proxy_tag;
 
 static int createTmpfileCloexec(char* tmpname)
 {
@@ -182,6 +188,61 @@ static struct wl_buffer* createShmBuffer(const GLFWimage* image)
     return buffer;
 }
 
+#ifdef WITH_DECORATION
+static void resizeWindow(_GLFWwindow* window);
+void frame_configure(struct libdecor_frame *frame, struct libdecor_configuration *configuration, void *user_data)
+{
+    _GLFWwindow* window = user_data;
+
+    int width, height;
+    if (!libdecor_configuration_get_content_size(configuration, frame, &width, &height)) {
+        width = window->wl.width;
+        height = window->wl.height;
+    }
+
+    window->wl.width = width;
+    window->wl.height = height;
+    resizeWindow(window);
+
+    _glfwInputWindowSize(window, width, height);
+    _glfwPlatformSetWindowSize(window, width, height);
+    _glfwInputWindowDamage(window);
+
+    struct libdecor_state *state = libdecor_state_new(width, height);
+    libdecor_frame_commit(frame, state, configuration);
+    libdecor_state_free(state);
+}
+
+void frame_close(struct libdecor_frame *frame, void *user_data)
+{
+    _glfwInputWindowCloseRequest(user_data);
+}
+
+void frame_commit(struct libdecor_frame *frame, void *user_data)
+{
+    _GLFWwindow* window = user_data;
+
+    _glfwInputWindowDamage(window);
+}
+
+static struct libdecor_frame_interface frame_interface = {
+	frame_configure,
+	frame_close,
+	frame_commit,
+};
+#endif
+
+#ifdef WITH_DECORATION
+static void createDecorations(_GLFWwindow* window)
+{
+    // TODO: enable decoration
+}
+
+static void destroyDecorations(_GLFWwindow* window)
+{
+    // TODO: disable decoration
+}
+#else
 static void createDecoration(_GLFWdecorationWayland* decoration,
                              struct wl_surface* parent,
                              struct wl_buffer* buffer, GLFWbool opaque,
@@ -264,22 +325,23 @@ static void destroyDecorations(_GLFWwindow* window)
     destroyDecoration(&window->wl.decorations.right);
     destroyDecoration(&window->wl.decorations.bottom);
 }
+#endif
 
+#ifndef WITH_DECORATION
 static void xdgDecorationHandleConfigure(void* data,
                                          struct zxdg_toplevel_decoration_v1* decoration,
                                          uint32_t mode)
 {
     _GLFWwindow* window = data;
 
-    window->wl.decorations.serverSide = (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
-
-    if (!window->wl.decorations.serverSide)
+    if (!(window->wl.decorations.serverSide = (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE)))
         createDecorations(window);
 }
 
 static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener = {
     xdgDecorationHandleConfigure,
 };
+#endif
 
 // Makes the surface considered as XRGB instead of ARGB.
 static void setOpaqueRegion(_GLFWwindow* window)
@@ -292,7 +354,6 @@ static void setOpaqueRegion(_GLFWwindow* window)
 
     wl_region_add(region, 0, 0, window->wl.width, window->wl.height);
     wl_surface_set_opaque_region(window->wl.surface, region);
-    wl_surface_commit(window->wl.surface);
     wl_region_destroy(region);
 }
 
@@ -308,6 +369,7 @@ static void resizeWindow(_GLFWwindow* window)
     _glfwInputFramebufferSize(window, scaledWidth, scaledHeight);
     _glfwInputWindowContentScale(window, scale, scale);
 
+#ifndef WITH_DECORATION
     if (!window->wl.decorations.top.surface)
         return;
 
@@ -334,6 +396,7 @@ static void resizeWindow(_GLFWwindow* window)
     wp_viewport_set_destination(window->wl.decorations.bottom.viewport,
                                 window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH);
     wl_surface_commit(window->wl.decorations.bottom.surface);
+#endif
 }
 
 static void checkScaleChange(_GLFWwindow* window)
@@ -367,6 +430,9 @@ static void surfaceHandleEnter(void *data,
                                struct wl_surface *surface,
                                struct wl_output *output)
 {
+    if (wl_proxy_get_tag((struct wl_proxy *) output) != &proxy_tag)
+        return;
+
     _GLFWwindow* window = data;
     _GLFWmonitor* monitor = wl_output_get_user_data(output);
 
@@ -387,6 +453,9 @@ static void surfaceHandleLeave(void *data,
                                struct wl_surface *surface,
                                struct wl_output *output)
 {
+    if (wl_proxy_get_tag((struct wl_proxy *) output) != &proxy_tag)
+        return;
+
     _GLFWwindow* window = data;
     _GLFWmonitor* monitor = wl_output_get_user_data(output);
     GLFWbool found;
@@ -427,8 +496,7 @@ static void setIdleInhibitor(_GLFWwindow* window, GLFWbool enable)
     }
 }
 
-static GLFWbool createSurface(_GLFWwindow* window,
-                              const _GLFWwndconfig* wndconfig)
+static GLFWbool createSurface(_GLFWwindow* window)
 {
     window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor);
     if (!window->wl.surface)
@@ -439,37 +507,60 @@ static GLFWbool createSurface(_GLFWwindow* window,
                             window);
 
     wl_surface_set_user_data(window->wl.surface, window);
+    wl_proxy_set_tag((struct wl_proxy *) window->wl.surface, &proxy_tag);
+
+    wl_display_roundtrip(_glfw.wl.display);
+    wl_display_roundtrip(_glfw.wl.display);
 
     window->wl.native = wl_egl_window_create(window->wl.surface,
-                                             wndconfig->width,
-                                             wndconfig->height);
+                                             window->wl.width,
+                                             window->wl.height);
     if (!window->wl.native)
         return GLFW_FALSE;
 
-    window->wl.width = wndconfig->width;
-    window->wl.height = wndconfig->height;
-    window->wl.scale = 1;
-
     if (!window->wl.transparent)
         setOpaqueRegion(window);
 
     return GLFW_TRUE;
 }
 
+#ifdef WITH_DECORATION
+static GLFWbool createSurfaceDecoration(_GLFWwindow* window)
+{
+    window->wl.decoration_frame = libdecor_decorate(_glfw.wl.csd_context,
+                                                    window->wl.surface,
+                                                    &frame_interface,
+                                                    window);
+    libdecor_frame_map(window->wl.decoration_frame);
+
+    window->wl.scale = 1;
+
+    return GLFW_TRUE;
+}
+#endif
+
 static void setFullscreen(_GLFWwindow* window, _GLFWmonitor* monitor,
                           int refreshRate)
 {
+#ifdef WITH_DECORATION
+    libdecor_frame_set_fullscreen(window->wl.decoration_frame, monitor->wl.output);
+#else
     if (window->wl.xdg.toplevel)
     {
         xdg_toplevel_set_fullscreen(
             window->wl.xdg.toplevel,
             monitor->wl.output);
     }
+#endif
     setIdleInhibitor(window, GLFW_TRUE);
+#ifndef WITH_DECORATION
     if (!window->wl.decorations.serverSide)
         destroyDecorations(window);
+#endif
 }
 
+#ifndef WITH_DECORATION
+
 static void xdgToplevelHandleConfigure(void* data,
                                        struct xdg_toplevel* toplevel,
                                        int32_t width,
@@ -639,6 +730,7 @@ static GLFWbool createXdgSurface(_GLFWwindow* window)
 
     return GLFW_TRUE;
 }
+#endif
 
 static void setCursorImage(_GLFWwindow* window,
                            _GLFWcursorWayland* cursorWayland)
@@ -690,8 +782,12 @@ static void incrementCursorImage(_GLFWwindow* window)
 {
     _GLFWcursor* cursor;
 
-    if (!window || window->wl.decorations.focus != mainWindow)
+    if (!window) return;
+
+#ifndef WITH_DECORATION
+    if (window->wl.decorations.focus != mainWindow)
         return;
+#endif
 
     cursor = window->wl.currentCursor;
     if (cursor && cursor->wl.cursor)
@@ -783,7 +879,17 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
 {
     window->wl.transparent = fbconfig->transparent;
 
-    if (!createSurface(window, wndconfig))
+    window->wl.visible = wndconfig->visible;
+    window->wl.width = wndconfig->width;
+    window->wl.height = wndconfig->height;
+
+    // TODO: enable visibility support
+    window->wl.visible = GLFW_TRUE;
+
+    // unsupported on Wayland by design
+    window->focusOnShow = GLFW_FALSE;
+
+    if (!createSurface(window))
         return GLFW_FALSE;
 
     if (ctxconfig->client != GLFW_NO_API)
@@ -805,9 +911,7 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
         }
     }
 
-    if (wndconfig->title)
-        window->wl.title = _glfw_strdup(wndconfig->title);
-
+#ifndef WITH_DECORATION
     if (wndconfig->visible)
     {
         if (!createXdgSurface(window))
@@ -821,6 +925,19 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
         window->wl.xdg.toplevel = NULL;
         window->wl.visible = GLFW_FALSE;
     }
+#else
+    if (!createSurfaceDecoration(window))
+        return GLFW_FALSE;
+#endif
+
+    window->wl.scale = 1;
+
+    _glfwPlatformSetWindowTitle(window, wndconfig->title);
+
+    _glfwPlatformSetWindowResizable(window, wndconfig->resizable);
+
+    if (window->monitor)
+        setFullscreen(window, window->monitor, window->videoMode.refreshRate);
 
     window->wl.currentCursor = NULL;
 
@@ -828,6 +945,8 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
     window->wl.monitorsCount = 0;
     window->wl.monitorsSize = 1;
 
+    wl_display_roundtrip(_glfw.wl.display);
+
     return GLFW_TRUE;
 }
 
@@ -851,20 +970,25 @@ void _glfwPlatformDestroyWindow(_GLFWwindow* window)
         window->context.destroy(window);
 
     destroyDecorations(window);
+#ifdef WITH_DECORATION
+    libdecor_frame_unref(window->wl.decoration_frame);
+#else
     if (window->wl.xdg.decoration)
         zxdg_toplevel_decoration_v1_destroy(window->wl.xdg.decoration);
-
     if (window->wl.decorations.buffer)
         wl_buffer_destroy(window->wl.decorations.buffer);
+#endif
 
     if (window->wl.native)
         wl_egl_window_destroy(window->wl.native);
 
+#ifndef WITH_DECORATION
     if (window->wl.xdg.toplevel)
         xdg_toplevel_destroy(window->wl.xdg.toplevel);
 
     if (window->wl.xdg.surface)
         xdg_surface_destroy(window->wl.xdg.surface);
+#endif
 
     if (window->wl.surface)
         wl_surface_destroy(window->wl.surface);
@@ -878,8 +1002,15 @@ void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
     if (window->wl.title)
         free(window->wl.title);
     window->wl.title = _glfw_strdup(title);
-    if (window->wl.xdg.toplevel)
-        xdg_toplevel_set_title(window->wl.xdg.toplevel, title);
+
+#ifdef WITH_DECORATION
+    if (window->wl.decoration_frame) {
+        libdecor_frame_set_title(window->wl.decoration_frame, window->wl.title);
+        libdecor_frame_set_app_id(window->wl.decoration_frame, window->wl.title);
+    }
+#else
+    xdg_toplevel_set_title(window->wl.xdg.toplevel, title);
+#endif
 }
 
 void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
@@ -924,16 +1055,23 @@ void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
                                       int minwidth, int minheight,
                                       int maxwidth, int maxheight)
 {
+    if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE)
+        minwidth = minheight = 0;
+    if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE)
+        maxwidth = maxheight = 0;
+#ifdef WITH_DECORATION
+    libdecor_frame_set_min_content_size(window->wl.decoration_frame,
+                                        minwidth, minheight);
+    libdecor_frame_set_max_content_size(window->wl.decoration_frame,
+                                        maxwidth, maxheight);
+#else
     if (window->wl.xdg.toplevel)
     {
-        if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE)
-            minwidth = minheight = 0;
-        if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE)
-            maxwidth = maxheight = 0;
         xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight);
         xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight);
-        wl_surface_commit(window->wl.surface);
     }
+#endif
+    wl_surface_commit(window->wl.surface);
 }
 
 void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window,
@@ -959,6 +1097,7 @@ void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
                                      int* left, int* top,
                                      int* right, int* bottom)
 {
+#ifndef WITH_DECORATION
     if (window->decorated && !window->monitor && !window->wl.decorations.serverSide)
     {
         if (top)
@@ -970,6 +1109,7 @@ void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
         if (bottom)
             *bottom = _GLFW_DECORATION_WIDTH;
     }
+#endif
 }
 
 void _glfwPlatformGetWindowContentScale(_GLFWwindow* window,
@@ -983,31 +1123,37 @@ void _glfwPlatformGetWindowContentScale(_GLFWwindow* window,
 
 void _glfwPlatformIconifyWindow(_GLFWwindow* window)
 {
-    if (window->wl.xdg.toplevel)
-        xdg_toplevel_set_minimized(window->wl.xdg.toplevel);
+#ifdef WITH_DECORATION
+    libdecor_frame_set_minimized(window->wl.decoration_frame);
+#else
+    xdg_toplevel_set_minimized(window->wl.xdg.toplevel);
+#endif
 }
 
 void _glfwPlatformRestoreWindow(_GLFWwindow* window)
 {
-    if (window->wl.xdg.toplevel)
-    {
-        if (window->monitor)
-            xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
-        if (window->wl.maximized)
-            xdg_toplevel_unset_maximized(window->wl.xdg.toplevel);
-        // There is no way to unset minimized, or even to know if we are
-        // minimized, so there is nothing to do in this case.
-    }
+#ifdef WITH_DECORATION
+    libdecor_frame_unset_fullscreen(window->wl.decoration_frame);
+    libdecor_frame_unset_maximized(window->wl.decoration_frame);
+#else
+    if (window->monitor)
+        xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
+    if (window->wl.maximized)
+        xdg_toplevel_unset_maximized(window->wl.xdg.toplevel);
+    // There is no way to unset minimized, or even to know if we are
+    // minimized, so there is nothing to do in this case.
+#endif
     _glfwInputWindowMonitor(window, NULL);
     window->wl.maximized = GLFW_FALSE;
 }
 
 void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
 {
-    if (window->wl.xdg.toplevel)
-    {
-        xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
-    }
+#ifdef WITH_DECORATION
+    libdecor_frame_set_maximized(window->wl.decoration_frame);
+#else
+    xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
+#endif
     window->wl.maximized = GLFW_TRUE;
 }
 
@@ -1015,13 +1161,18 @@ void _glfwPlatformShowWindow(_GLFWwindow* window)
 {
     if (!window->wl.visible)
     {
+        window->wl.visible = GLFW_TRUE;
+#ifndef WITH_DECORATION
         createXdgSurface(window);
-        window->wl.visible = GLFW_TRUE;
+#else
+        // TODO: enable visibility support
+#endif
     }
 }
 
 void _glfwPlatformHideWindow(_GLFWwindow* window)
 {
+#ifndef WITH_DECORATION
     if (window->wl.xdg.toplevel)
     {
         xdg_toplevel_destroy(window->wl.xdg.toplevel);
@@ -1029,6 +1180,9 @@ void _glfwPlatformHideWindow(_GLFWwindow* window)
         window->wl.xdg.toplevel = NULL;
         window->wl.xdg.surface = NULL;
     }
+#else
+    // TODO: enable visibility support
+#endif
     window->wl.visible = GLFW_FALSE;
 }
 
@@ -1056,11 +1210,14 @@ void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
     }
     else
     {
-        if (window->wl.xdg.toplevel)
-            xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
+#ifdef WITH_DECORATION
+        libdecor_frame_unset_fullscreen(window->wl.decoration_frame);
+#else
+        xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
         setIdleInhibitor(window, GLFW_FALSE);
         if (!_glfw.wl.decorationManager)
             createDecorations(window);
+#endif
     }
     _glfwInputWindowMonitor(window, monitor);
 }
@@ -1099,9 +1256,14 @@ int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
 
 void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled)
 {
-    // TODO
-    _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
-                    "Wayland: Window attribute setting not implemented yet");
+#ifdef WITH_DECORATION
+    if (enabled)
+        libdecor_frame_set_capabilities(window->wl.decoration_frame,
+                                        LIBDECOR_ACTION_RESIZE);
+    else
+        libdecor_frame_unset_capabilities(window->wl.decoration_frame,
+                                        LIBDECOR_ACTION_RESIZE);
+#endif
 }
 
 void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled)
@@ -1117,9 +1279,13 @@ void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled)
 
 void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled)
 {
-    // TODO
-    _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
-                    "Wayland: Window attribute setting not implemented yet");
+#ifdef WITH_DECORATION
+    if (window->wl.maximized)
+        libdecor_frame_unset_maximized(window->wl.decoration_frame);
+
+    if (window->wl.wasFullscreen)
+        libdecor_frame_unset_fullscreen(window->wl.decoration_frame);
+#endif
 }
 
 void _glfwPlatformSetWindowMousePassthrough(_GLFWwindow* window, GLFWbool enabled)
@@ -1451,10 +1617,14 @@ void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
 
     window->wl.currentCursor = cursor;
 
+    if (window != _glfw.wl.pointerFocus) return;
+
+#ifndef WITH_DECORATION
     // If we're not in the correct window just save the cursor
     // the next time the pointer enters the window the cursor will change
-    if (window != _glfw.wl.pointerFocus || window->wl.decorations.focus != mainWindow)
+    if (window->wl.decorations.focus != mainWindow)
         return;
+#endif
 
     // Unlock possible pointer lock if no longer disabled.
     if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window))

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File 0007-libdecor-proper-decorations-with-title-and-window-bu.patch of Package glfw (Revision f2e08645ce64e1fb1e7736961e285e16)

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