Merge c8bb716886 into dbadda2683

Fixes #2778

CMakeLists.txt

@@ -38,11 +38,7 @@ set(GLFW_LIBRARY_TYPE "${GLFW_LIBRARY_TYPE}" CACHE STRING
     "Library type override for GLFW (SHARED, STATIC, OBJECT, or empty to follow BUILD_SHARED_LIBS)")
 
 if (GLFW_LIBRARY_TYPE)
-    if (GLFW_LIBRARY_TYPE STREQUAL "SHARED")
-        set(GLFW_BUILD_SHARED_LIBRARY TRUE)
-    else()
-        set(GLFW_BUILD_SHARED_LIBRARY FALSE)
-    endif()
+    string(COMPARE EQUAL "${GLFW_LIBRARY_TYPE}" "SHARED" GLFW_BUILD_SHARED_LIBRARY)
 else()
     set(GLFW_BUILD_SHARED_LIBRARY ${BUILD_SHARED_LIBS})
 endif()

CONTRIBUTORS.md

@@ -162,6 +162,7 @@ video tutorials.
  - Marcel Metz
  - Liam Middlebrook
  - mightgoyardstill
+ - Mihail
  - Ave Milia
  - Icyllis Milica
  - Jonathan Miller

README.md

@@ -144,11 +144,16 @@ information on what to include when reporting a bug.
    a modal to a fallback decoration
  - [Wayland] Bugfix: The cursor position was not updated when clicking through
    from a modal to the content area
+ - [Wayland] Bugfix: free modules at end of terminate function to resolve
+   potential segmentation fault (#2744)
+ - [Wayland] Bugfix: Confining or disabling the cursor could segfault on
+   compositors without `pointer-constraints-unstable-v1`
  - [X11] Bugfix: Running without a WM could trigger an assert (#2593,#2601,#2631)
  - [X11] Bugfix: Occasional crash when an idle display awakes (#2766) 
  - [X11] Bugfix: Prevent BadWindow when creating small windows with a content scale
    less than 1 (#2754)
  - [X11] Bugfix: Clamp width and height to >= 1 to prevent BadValue error and app exit
+ - [Linux] Bugfix: The header for `ioctl` was only implicitly included (#2778)
  - [Null] Added Vulkan 'window' surface creation via `VK_EXT_headless_surface`
  - [Null] Added EGL context creation on Mesa via `EGL_MESA_platform_surfaceless`
  - [EGL] Allowed native access on Wayland with `GLFW_CONTEXT_CREATION_API` set to

docs/window.md

@@ -262,6 +262,11 @@ This is the new name, introduced in GLFW 3.4.  The older
 `GLFW_COCOA_RETINA_FRAMEBUFFER` name is also available for compatibility.  Both
 names modify the same hint value.
 
+@anchor GLFW_THEME
+__GLFW_THEME__ specifies whether the window should use light theme or not.
+Possible values are `GLFW_THEME_AUTO`, `GLFW_THEME_DARK`, and `GLFW_THEME_LIGHT`. This hint only has effect
+on windows operating system.
+
 @anchor GLFW_MOUSE_PASSTHROUGH_hint
 __GLFW_MOUSE_PASSTHROUGH__ specifies whether the window is transparent to mouse
 input, letting any mouse events pass through to whatever window is behind it.

include/GLFW/glfw3.h

@@ -1108,6 +1108,11 @@ extern "C" {
  *  [GLFW_SCALE_FRAMEBUFFER](@ref GLFW_SCALE_FRAMEBUFFER_hint) window hint for
  *  compatibility with earlier versions.
  */
+#define GLFW_THEME                  0x0002200E
+/*! @brief windows specific
+ *
+ *  Allows specifying whether light or dark theme should be used.
+ */
 #define GLFW_COCOA_RETINA_FRAMEBUFFER 0x00023001
 /*! @brief macOS specific
  *  [window hint](@ref GLFW_COCOA_FRAME_NAME_hint).
@@ -1182,6 +1187,10 @@ extern "C" {
 
 #define GLFW_ANY_POSITION           0x80000000
 
+#define GLFW_THEME_AUTO             0x00000000
+#define GLFW_THEME_DARK             0x00000001
+#define GLFW_THEME_LIGHT            0x00000002
+
 /*! @defgroup shapes Standard cursor shapes
  *  @brief Standard system cursor shapes.
  *
@@ -3480,6 +3489,8 @@ GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos);
  */
 GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos);
 
+GLFWAPI int glfwIsWindowLightTheme(GLFWwindow* window);
+
 /*! @brief Retrieves the size of the content area of the specified window.
  *
  *  This function retrieves the size, in screen coordinates, of the content area

premake5.lua

@@ -0,0 +1,107 @@
+project "GLFW"
+	kind "StaticLib"
+	language "C"
+
+	targetdir ("bin/" .. outputdir .. "/%{prj.name}")
+	objdir ("bin-int/" .. outputdir .. "/%{prj.name}")
+
+	files
+	{
+		"include/GLFW/glfw3.h",
+		"include/GLFW/glfw3native.h",
+		"src/glfw_config.h",
+		"src/context.c",
+		"src/init.c",
+		"src/input.c",
+		"src/monitor.c",
+
+		"src/null_init.c",
+		"src/null_joystick.c",
+		"src/null_monitor.c",
+		"src/null_window.c",
+
+		"src/platform.c",
+		"src/vulkan.c",
+		"src/window.c"
+	}
+	filter "system:linux"
+		pic "On"
+
+		systemversion "latest"
+		staticruntime "On"
+
+		files
+		{
+			"src/x11_init.c",
+			"src/x11_monitor.c",
+			"src/x11_window.c",
+			"src/xkb_unicode.c",
+			"src/posix_module.c",
+			"src/posix_time.c",
+			"src/posix_thread.c",
+			"src/posix_module.c",
+			"src/posix_poll.c",
+			"src/glx_context.c",
+			"src/egl_context.c",
+			"src/osmesa_context.c",
+			"src/linux_joystick.c"
+		}
+
+		defines
+		{
+			"_GLFW_X11"
+		}
+
+	filter "system:macosx"
+		pic "On"
+
+		files
+		{
+			"src/cocoa_init.m",
+			"src/cocoa_monitor.m",
+			"src/cocoa_window.m",
+			"src/cocoa_joystick.m",
+			"src/cocoa_time.c",
+			"src/nsgl_context.m",
+			"src/posix_thread.c",
+			"src/posix_module.c",
+			"src/osmesa_context.c",
+			"src/egl_context.c"
+		}
+
+		defines
+		{
+			"_GLFW_COCOA"
+		}
+
+	filter "system:windows"
+		systemversion "latest"
+		staticruntime "On"
+
+		files
+		{
+			"src/win32_init.c",
+			"src/win32_joystick.c",
+			"src/win32_module.c",
+			"src/win32_monitor.c",
+			"src/win32_time.c",
+			"src/win32_thread.c",
+			"src/win32_window.c",
+			"src/wgl_context.c",
+			"src/egl_context.c",
+			"src/osmesa_context.c"
+		}
+
+		defines 
+		{ 
+			"_GLFW_WIN32",
+			"_CRT_SECURE_NO_WARNINGS"
+		}
+
+	filter "configurations:Debug"
+		runtime "Debug"
+		symbols "on"
+
+	filter "configurations:Release"
+		runtime "Release"
+		optimize "on"

src/egl_context.c

@@ -555,7 +555,8 @@ void _glfwTerminateEGL(void)
         _glfw.egl.display = EGL_NO_DISPLAY;
     }
 
-    if (_glfw.egl.handle)
+    // Free modules only after all wayland termination functions are called
+    if (_glfw.egl.handle && _glfw.platform.platformID != GLFW_PLATFORM_WAYLAND)
     {
         _glfwPlatformFreeModule(_glfw.egl.handle);
         _glfw.egl.handle = NULL;

src/internal.h

@@ -414,6 +414,7 @@ struct _GLFWwndconfig
     GLFWbool      mousePassthrough;
     GLFWbool      scaleToMonitor;
     GLFWbool      scaleFramebuffer;
+    int           theme;
     struct {
         char      frameName[256];
     } ns;
@@ -538,6 +539,7 @@ struct _GLFWwindow
     GLFWbool            focusOnShow;
     GLFWbool            mousePassthrough;
     GLFWbool            shouldClose;
+    GLFWbool            isLightTheme;
     void*               userPointer;
     GLFWbool            doublebuffer;
     GLFWvidmode         videoMode;

src/linux_joystick.c

@@ -32,6 +32,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/inotify.h>
+#include <sys/ioctl.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <dirent.h>

src/win32_init.c

@@ -145,6 +145,8 @@ static GLFWbool loadLibraries(void)
             _glfwPlatformGetModuleSymbol(_glfw.win32.dwmapi.instance, "DwmEnableBlurBehindWindow");
         _glfw.win32.dwmapi.GetColorizationColor = (PFN_DwmGetColorizationColor)
             _glfwPlatformGetModuleSymbol(_glfw.win32.dwmapi.instance, "DwmGetColorizationColor");
+        _glfw.win32.dwmapi.DwmSetWindowAttribute = (PFN_DwmSetWindowAttribute)
+            _glfwPlatformGetModuleSymbol(_glfw.win32.dwmapi.instance, "DwmSetWindowAttribute");
     }
 
     _glfw.win32.shcore.instance = _glfwPlatformLoadModule("shcore.dll");
@@ -528,7 +530,8 @@ void _glfwUpdateKeyNamesWin32(void)
 
         if (key >= GLFW_KEY_KP_0 && key <= GLFW_KEY_KP_ADD)
         {
-            const UINT vks[] = {
+            const UINT vks[] =
+            {
                 VK_NUMPAD0,  VK_NUMPAD1,  VK_NUMPAD2, VK_NUMPAD3,
                 VK_NUMPAD4,  VK_NUMPAD5,  VK_NUMPAD6, VK_NUMPAD7,
                 VK_NUMPAD8,  VK_NUMPAD9,  VK_DECIMAL, VK_DIVIDE,
@@ -563,6 +566,14 @@ void _glfwUpdateKeyNamesWin32(void)
     }
 }
 
+void _glfwSetWindowTheme(BOOL dark, HWND hwnd)
+{
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+    _glfw.win32.dwmapi.DwmSetWindowAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE, &dark, sizeof(dark));
+}
+
 // Replacement for IsWindowsVersionOrGreater, as we cannot rely on the
 // application having a correct embedded manifest
 //

src/win32_platform.h

@@ -241,8 +241,9 @@ typedef int (WINAPI * PFN_GetSystemMetricsForDpi)(int,UINT);
 // dwmapi.dll function pointer typedefs
 typedef HRESULT (WINAPI * PFN_DwmIsCompositionEnabled)(BOOL*);
 typedef HRESULT (WINAPI * PFN_DwmFlush)(VOID);
-typedef HRESULT(WINAPI * PFN_DwmEnableBlurBehindWindow)(HWND,const DWM_BLURBEHIND*);
+typedef HRESULT (WINAPI * PFN_DwmEnableBlurBehindWindow)(HWND,const DWM_BLURBEHIND*);
 typedef HRESULT (WINAPI * PFN_DwmGetColorizationColor)(DWORD*,BOOL*);
+typedef HRESULT (WINAPI * PFN_DwmSetWindowAttribute)(HWND, DWORD, LPCVOID, DWORD);
 #define DwmIsCompositionEnabled _glfw.win32.dwmapi.IsCompositionEnabled
 #define DwmFlush _glfw.win32.dwmapi.Flush
 #define DwmEnableBlurBehindWindow _glfw.win32.dwmapi.EnableBlurBehindWindow
@@ -430,6 +431,7 @@ typedef struct _GLFWlibraryWin32
         PFN_DwmFlush                    Flush;
         PFN_DwmEnableBlurBehindWindow   EnableBlurBehindWindow;
         PFN_DwmGetColorizationColor     GetColorizationColor;
+        PFN_DwmSetWindowAttribute       DwmSetWindowAttribute;
     } dwmapi;
 
     struct {
@@ -476,6 +478,7 @@ BOOL _glfwIsWindowsVersionOrGreaterWin32(WORD major, WORD minor, WORD sp);
 BOOL _glfwIsWindows10BuildOrGreaterWin32(WORD build);
 void _glfwInputErrorWin32(int error, const char* description);
 void _glfwUpdateKeyNamesWin32(void);
+void _glfwSetWindowTheme(BOOL dark, HWND hwnd);
 
 void _glfwPollMonitorsWin32(void);
 void _glfwSetVideoModeWin32(_GLFWmonitor* monitor, const GLFWvidmode* desired);

src/win32_window.c

@@ -1392,6 +1392,36 @@ static int createNativeWindow(_GLFWwindow* window,
                                            _glfw.win32.instance,
                                            (LPVOID) wndconfig);
 
+    BOOL should_use_light_mode;
+    if (wndconfig->theme == GLFW_THEME_AUTO)
+    {
+        BOOL success = FALSE;
+        HKEY hRootKey = HKEY_CURRENT_USER;
+        const wchar_t* lpSubKey = L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+        const wchar_t* lpValueName = L"AppsUseLightTheme";
+        DWORD result;
+        {
+            HKEY hKey = 0;
+            if (RegOpenKeyExW(hRootKey, lpSubKey, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
+            {
+                DWORD dwBufferSize = sizeof(DWORD);
+                DWORD dwData = 0;
+                if (RegQueryValueExW(hKey, lpValueName, 0, NULL, (LPBYTE)(&dwData), &dwBufferSize) == ERROR_SUCCESS)
+                {
+                    result = dwData;
+                    success = TRUE;
+                }
+                RegCloseKey(hKey);
+            }
+        }
+        should_use_light_mode = success && result != 0;
+    }
+    else
+        should_use_light_mode = wndconfig->theme == GLFW_THEME_LIGHT;
+
+    _glfwSetWindowTheme(!should_use_light_mode, window->win32.handle);
+    window->isLightTheme = should_use_light_mode ? GLFW_TRUE : GLFW_FALSE;
+
     _glfw_free(wideTitle);
 
     if (!window->win32.handle)

src/window.c

@@ -387,6 +387,8 @@ GLFWAPI void glfwWindowHint(int hint, int value)
         case GLFW_SCALE_FRAMEBUFFER:
         case GLFW_COCOA_RETINA_FRAMEBUFFER:
             _glfw.hints.window.scaleFramebuffer = value ? GLFW_TRUE : GLFW_FALSE;
+        case GLFW_THEME:
+            _glfw.hints.window.theme = value;
             return;
         case GLFW_CENTER_CURSOR:
             _glfw.hints.window.centerCursor = value ? GLFW_TRUE : GLFW_FALSE;
@@ -606,6 +608,15 @@ GLFWAPI void glfwSetWindowPos(GLFWwindow* handle, int xpos, int ypos)
     _glfw.platform.setWindowPos(window, xpos, ypos);
 }
 
+GLFWAPI int glfwIsWindowLightTheme(GLFWwindow* handle)
+{
+    _GLFWwindow* window = (_GLFWwindow*)handle;
+    assert(window != NULL);
+
+    _GLFW_REQUIRE_INIT_OR_RETURN(0);
+    return window->isLightTheme;
+}
+
 GLFWAPI void glfwGetWindowSize(GLFWwindow* handle, int* width, int* height)
 {
     if (width)

src/wl_init.c

@@ -907,18 +907,6 @@ void _glfwTerminateWayland(void)
         libdecor_unref(_glfw.wl.libdecor.context);
     }
 
-    if (_glfw.wl.libdecor.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.libdecor.handle);
-        _glfw.wl.libdecor.handle = NULL;
-    }
-
-    if (_glfw.wl.egl.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.egl.handle);
-        _glfw.wl.egl.handle = NULL;
-    }
-
     if (_glfw.wl.xkb.composeState)
         xkb_compose_state_unref(_glfw.wl.xkb.composeState);
     if (_glfw.wl.xkb.keymap)
@@ -927,21 +915,11 @@ void _glfwTerminateWayland(void)
         xkb_state_unref(_glfw.wl.xkb.state);
     if (_glfw.wl.xkb.context)
         xkb_context_unref(_glfw.wl.xkb.context);
-    if (_glfw.wl.xkb.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.xkb.handle);
-        _glfw.wl.xkb.handle = NULL;
-    }
 
     if (_glfw.wl.cursorTheme)
         wl_cursor_theme_destroy(_glfw.wl.cursorTheme);
     if (_glfw.wl.cursorThemeHiDPI)
         wl_cursor_theme_destroy(_glfw.wl.cursorThemeHiDPI);
-    if (_glfw.wl.cursor.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.cursor.handle);
-        _glfw.wl.cursor.handle = NULL;
-    }
 
     for (unsigned int i = 0; i < _glfw.wl.offerCount; i++)
         wl_data_offer_destroy(_glfw.wl.offers[i].offer);
@@ -1001,6 +979,38 @@ void _glfwTerminateWayland(void)
     if (_glfw.wl.cursorTimerfd >= 0)
         close(_glfw.wl.cursorTimerfd);
 
+    // Free modules only after all Wayland termination functions are called
+
+    if (_glfw.egl.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.egl.handle);
+        _glfw.egl.handle = NULL;
+    }
+
+    if (_glfw.wl.libdecor.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.libdecor.handle);
+        _glfw.wl.libdecor.handle = NULL;
+    }
+
+    if (_glfw.wl.egl.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.egl.handle);
+        _glfw.wl.egl.handle = NULL;
+    }
+
+    if (_glfw.wl.xkb.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.xkb.handle);
+        _glfw.wl.xkb.handle = NULL;
+    }
+
+    if (_glfw.wl.cursor.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.cursor.handle);
+        _glfw.wl.cursor.handle = NULL;
+    }
+
     _glfw_free(_glfw.wl.clipboardString);
 }
 

src/wl_platform.h

@@ -136,18 +136,22 @@ struct wl_output;
 #define GLFW_WAYLAND_MONITOR_STATE        _GLFWmonitorWayland wl;
 #define GLFW_WAYLAND_CURSOR_STATE         _GLFWcursorWayland  wl;
 
-struct wl_cursor_image {
+struct wl_cursor_image
+{
     uint32_t width;
     uint32_t height;
     uint32_t hotspot_x;
     uint32_t hotspot_y;
     uint32_t delay;
 };
-struct wl_cursor {
+
+struct wl_cursor
+{
     unsigned int image_count;
     struct wl_cursor_image** images;
     char* name;
 };
+
 typedef struct wl_cursor_theme* (* PFN_wl_cursor_theme_load)(const char*, int, struct wl_shm*);
 typedef void (* PFN_wl_cursor_theme_destroy)(struct wl_cursor_theme*);
 typedef struct wl_cursor* (* PFN_wl_cursor_theme_get_cursor)(struct wl_cursor_theme*, const char*);

src/wl_window.c

@@ -1413,7 +1413,7 @@ static void handleEvents(double* timeout)
 
             if (read(_glfw.wl.keyRepeatTimerfd, &repeats, sizeof(repeats)) == 8)
             {
-                if(_glfw.wl.keyboardFocus)
+                if (_glfw.wl.keyboardFocus)
                 {
                     for (uint64_t i = 0; i < repeats; i++)
                     {
@@ -1692,7 +1692,8 @@ static void keyboardHandleKeymap(void* userData,
     }
 
     mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
-    if (mapStr == MAP_FAILED) {
+    if (mapStr == MAP_FAILED)
+    {
         close(fd);
         return;
     }
@@ -1838,7 +1839,9 @@ static void keyboardHandleKey(void* userData,
             timer.it_value.tv_nsec = (_glfw.wl.keyRepeatDelay % 1000) * 1000000;
             timerfd_settime(_glfw.wl.keyRepeatTimerfd, 0, &timer, NULL);
         }
-    } else if (scancode == _glfw.wl.keyRepeatScancode) {
+    }
+    else if (scancode == _glfw.wl.keyRepeatScancode)
+    {
         timerfd_settime(_glfw.wl.keyRepeatTimerfd, 0, &timer, NULL);
     }
 
@@ -2974,10 +2977,16 @@ static void lockPointer(_GLFWwindow* window)
     if (!_glfw.wl.relativePointerManager)
     {
         _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
-                        "Wayland: The compositor does not support pointer locking");
+                        "Wayland: The compositor does not support relative pointer motion");
         return;
     }
 
+    if (!_glfw.wl.pointerConstraints)
+    {
+        _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
+                        "Wayland: The compositor does not support locking the pointer");
+    }
+
     window->wl.relativePointer =
         zwp_relative_pointer_manager_v1_get_relative_pointer(
             _glfw.wl.relativePointerManager,
@@ -3025,6 +3034,12 @@ static const struct zwp_confined_pointer_v1_listener confinedPointerListener =
 
 static void confinePointer(_GLFWwindow* window)
 {
+    if (!_glfw.wl.pointerConstraints)
+    {
+        _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
+                        "Wayland: The compositor does not support confining the pointer");
+    }
+
     window->wl.confinedPointer =
         zwp_pointer_constraints_v1_confine_pointer(
             _glfw.wl.pointerConstraints,

src/x11_monitor.c

@@ -151,7 +151,8 @@ void _glfwPollMonitorsX11(void)
             }
 
             XRRCrtcInfo* ci = XRRGetCrtcInfo(_glfw.x11.display, sr, oi->crtc);
-            if (!ci) {
+            if (!ci)
+            {
                 XRRFreeOutputInfo(oi);
                 continue;
             }

src/x11_window.c

@@ -2207,7 +2207,7 @@ void _glfwGetWindowSizeX11(_GLFWwindow* window, int* width, int* height)
 
 void _glfwSetWindowSizeX11(_GLFWwindow* window, int width, int height)
 {
-	// The dimensions must be nonzero, or a BadValue error results.
+    // The dimensions must be nonzero, or a BadValue error results
     width = _glfw_max(1, width);
     height = _glfw_max(1, height);