Update GLFW to latest dev version (master branch)

9 files changed, 50 insertions, 22 deletions

diff --git a/src/external/glfw/CMake/modules/FindVulkan.cmake b/src/external/glfw/CMake/modules/FindVulkan.cmake
index 103554bb..5004356b 100644
--- a/src/external/glfw/CMake/modules/FindVulkan.cmake
+++ b/src/external/glfw/CMake/modules/FindVulkan.cmake
@@ -27,11 +27,6 @@ if (WIN32)
             "$ENV{VULKAN_SDK}/Bin32"
             "$ENV{VK_SDK_PATH}/Bin32")
     endif()
-elseif (APPLE)
-    find_library(VULKAN_LIBRARY vulkan.1 HINTS
-        "$ENV{VULKAN_SDK}/macOS/lib")
-    find_path(VULKAN_INCLUDE_DIR NAMES vulkan/vulkan.h HINTS
-        "$ENV{VULKAN_SDK}/macOS/include")
 else()
     find_path(VULKAN_INCLUDE_DIR NAMES vulkan/vulkan.h HINTS
         "$ENV{VULKAN_SDK}/include")
diff --git a/src/external/glfw/README.md b/src/external/glfw/README.md
index 0573dcd9..82d4806a 100644
--- a/src/external/glfw/README.md
+++ b/src/external/glfw/README.md
@@ -165,6 +165,8 @@ information on what to include when reporting a bug.
 - Added `GLFW_HOVERED` window attribute for polling cursor hover state (#1166)
 - Added `GLFW_CENTER_CURSOR` window hint for controlling cursor centering
   (#749,#842)
+- Added `GLFW_FOCUS_ON_SHOW` window hint and attribute to control input focus
+  on calling show window (#1189)
 - Added `GLFW_JOYSTICK_HAT_BUTTONS` init hint (#889)
 - Added `GLFW_LOCK_KEY_MODS` input mode and `GLFW_MOD_*_LOCK` mod bits (#946)
 - Added macOS specific `GLFW_COCOA_RETINA_FRAMEBUFFER` window hint
diff --git a/src/external/glfw/include/GLFW/glfw3.h b/src/external/glfw/include/GLFW/glfw3.h
index 00256d4d..990fe3f7 100644
--- a/src/external/glfw/include/GLFW/glfw3.h
+++ b/src/external/glfw/include/GLFW/glfw3.h
@@ -819,6 +819,12 @@ extern "C" {
  *  Mouse cursor hover [window attribute](@ref GLFW_HOVERED_attrib).
  */
 #define GLFW_HOVERED                0x0002000B
+/*! @brief Input focus on calling show window hint and attribute
+ *
+ *  Input focus [window hint](@ref GLFW_FOCUS_ON_SHOW_hint) or
+ *  [window attribute](@ref GLFW_FOCUS_ON_SHOW_attrib).
+ */
+#define GLFW_FOCUS_ON_SHOW          0x0002000C
 
 /*! @brief Framebuffer bit depth hint.
  *
@@ -3085,6 +3091,11 @@ GLFWAPI void glfwMaximizeWindow(GLFWwindow* window);
  *  hidden.  If the window is already visible or is in full screen mode, this
  *  function does nothing.
  *
+ *  By default, windowed mode windows are focused when shown
+ *  Set the [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) window hint
+ *  to change this behavior for all newly created windows, or change the
+ *  behavior for an existing window with @ref glfwSetWindowAttrib.
+ *
  *  @param[in] window The window to make visible.
  *
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
@@ -3132,6 +3143,10 @@ GLFWAPI void glfwHideWindow(GLFWwindow* window);
  *  initially created.  Set the [GLFW_FOCUSED](@ref GLFW_FOCUSED_hint) to
  *  disable this behavior.
  *
+ *  Also by default, windowed mode windows are focused when shown
+ *  with @ref glfwShowWindow. Set the
+ *  [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) to disable this behavior.
+ *
  *  __Do not use this function__ to steal focus from other applications unless
  *  you are certain that is what the user wants.  Focus stealing can be
  *  extremely disruptive.
@@ -3306,8 +3321,9 @@ GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib);
  *
  *  The supported attributes are [GLFW_DECORATED](@ref GLFW_DECORATED_attrib),
  *  [GLFW_RESIZABLE](@ref GLFW_RESIZABLE_attrib),
- *  [GLFW_FLOATING](@ref GLFW_FLOATING_attrib) and
- *  [GLFW_AUTO_ICONIFY](@ref GLFW_AUTO_ICONIFY_attrib).
+ *  [GLFW_FLOATING](@ref GLFW_FLOATING_attrib),
+ *  [GLFW_AUTO_ICONIFY](@ref GLFW_AUTO_ICONIFY_attrib) and
+ *  [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_attrib).
  *
  *  Some of these attributes are ignored for full screen windows.  The new
  *  value will take effect if the window is later made windowed.
diff --git a/src/external/glfw/src/CMakeLists.txt b/src/external/glfw/src/CMakeLists.txt
index 6d3e33a5..22ce68f1 100644
--- a/src/external/glfw/src/CMakeLists.txt
+++ b/src/external/glfw/src/CMakeLists.txt
@@ -92,9 +92,7 @@ if (${CMAKE_C_COMPILER_ID} STREQUAL GNU OR ${CMAKE_C_COMPILER_ID} STREQUAL Clang
         COMPILE_FLAGS -Wdeclaration-after-statement)
 endif()
 
-add_library(glfw_objlib OBJECT ${glfw_SOURCES} ${glfw_HEADERS})
-add_library(glfw $<TARGET_OBJECTS:glfw_objlib>)
-
+add_library(glfw ${glfw_SOURCES} ${glfw_HEADERS})
 set_target_properties(glfw PROPERTIES
                       OUTPUT_NAME ${GLFW_LIB_NAME}
                       VERSION ${GLFW_VERSION}
@@ -102,11 +100,11 @@ set_target_properties(glfw PROPERTIES
                       POSITION_INDEPENDENT_CODE ON
                       FOLDER "GLFW3")
 
-target_compile_definitions(glfw_objlib PRIVATE _GLFW_USE_CONFIG_H)
-target_include_directories(glfw_objlib PUBLIC
+target_compile_definitions(glfw PRIVATE _GLFW_USE_CONFIG_H)
+target_include_directories(glfw PUBLIC
                            "$<BUILD_INTERFACE:${GLFW_SOURCE_DIR}/include>"
                            "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>")
-target_include_directories(glfw_objlib PRIVATE
+target_include_directories(glfw PRIVATE
                            "${GLFW_SOURCE_DIR}/src"
                            "${GLFW_BINARY_DIR}/src"
                            ${glfw_INCLUDE_DIRS})
@@ -115,11 +113,11 @@ target_include_directories(glfw_objlib PRIVATE
 # the inclusion of stddef.h (by glfw3.h), which is itself included before
 # win32_platform.h.  We define them here until a saner solution can be found
 # NOTE: MinGW-w64 and Visual C++ do /not/ need this hack.
-target_compile_definitions(glfw_objlib PRIVATE
+target_compile_definitions(glfw PRIVATE
                            "$<$<BOOL:${MINGW}>:UNICODE;WINVER=0x0501>")
 
 # Enable a reasonable set of warnings (no, -Wextra is not reasonable)
-target_compile_options(glfw_objlib PRIVATE
+target_compile_options(glfw PRIVATE
                        "$<$<C_COMPILER_ID:Clang>:-Wall>"
                        "$<$<C_COMPILER_ID:GNU>:-Wall>")
 
@@ -137,7 +135,7 @@ if (BUILD_SHARED_LIBS)
         endif()
     elseif (APPLE)
         # Add -fno-common to work around a bug in Apple's GCC
-        target_compile_options(glfw_objlib PRIVATE "-fno-common")
+        target_compile_options(glfw PRIVATE "-fno-common")
 
         set_target_properties(glfw PROPERTIES
                               INSTALL_NAME_DIR "lib${LIB_SUFFIX}")
diff --git a/src/external/glfw/src/input.c b/src/external/glfw/src/input.c
index 42975452..b0bb3de4 100644
--- a/src/external/glfw/src/input.c
+++ b/src/external/glfw/src/input.c
@@ -32,7 +32,6 @@
 #include <math.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
 
 // Internal key state used for sticky keys
 #define _GLFW_STICK 3
@@ -1086,7 +1085,9 @@ GLFWAPI int glfwUpdateGamepadMappings(const char* string)
 
     while (*c)
     {
-        if (isxdigit(*c))
+        if ((*c >= '0' && *c <= '9') ||
+            (*c >= 'a' && *c <= 'f') ||
+            (*c >= 'A' && *c <= 'F'))
         {
             char line[1024];
 
diff --git a/src/external/glfw/src/internal.h b/src/external/glfw/src/internal.h
index 92bbfcce..9fc626dd 100644
--- a/src/external/glfw/src/internal.h
+++ b/src/external/glfw/src/internal.h
@@ -267,6 +267,7 @@ struct _GLFWwndconfig
     GLFWbool      floating;
     GLFWbool      maximized;
     GLFWbool      centerCursor;
+    GLFWbool      focusOnShow;
     struct {
         GLFWbool  retina;
         char      frameName[256];
@@ -372,6 +373,7 @@ struct _GLFWwindow
     GLFWbool            decorated;
     GLFWbool            autoIconify;
     GLFWbool            floating;
+    GLFWbool            focusOnShow;
     GLFWbool            shouldClose;
     void*               userPointer;
     GLFWvidmode         videoMode;
diff --git a/src/external/glfw/src/win32_platform.h b/src/external/glfw/src/win32_platform.h
index 9a669215..59815146 100644
--- a/src/external/glfw/src/win32_platform.h
+++ b/src/external/glfw/src/win32_platform.h
@@ -242,7 +242,9 @@ typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)(
 #include "egl_context.h"
 #include "osmesa_context.h"
 
-#define _GLFW_WNDCLASSNAME L"GLFW30"
+#if !defined(_GLFW_WNDCLASSNAME)
+ #define _GLFW_WNDCLASSNAME L"GLFW30"
+#endif
 
 #define _glfw_dlopen(name) LoadLibraryA(name)
 #define _glfw_dlclose(handle) FreeLibrary((HMODULE) handle)
diff --git a/src/external/glfw/src/window.c b/src/external/glfw/src/window.c
index 38a8982b..4ed415ca 100644
--- a/src/external/glfw/src/window.c
+++ b/src/external/glfw/src/window.c
@@ -201,6 +201,7 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
     window->decorated   = wndconfig.decorated;
     window->autoIconify = wndconfig.autoIconify;
     window->floating    = wndconfig.floating;
+    window->focusOnShow = wndconfig.focusOnShow;
     window->cursorMode  = GLFW_CURSOR_NORMAL;
 
     window->minwidth    = GLFW_DONT_CARE;
@@ -267,6 +268,7 @@ void glfwDefaultWindowHints(void)
     _glfw.hints.window.focused      = GLFW_TRUE;
     _glfw.hints.window.autoIconify  = GLFW_TRUE;
     _glfw.hints.window.centerCursor = GLFW_TRUE;
+    _glfw.hints.window.focusOnShow  = GLFW_TRUE;
 
     // The default is 24 bits of color, 24 bits of depth and 8 bits of stencil,
     // double buffered
@@ -370,6 +372,9 @@ GLFWAPI void glfwWindowHint(int hint, int value)
         case GLFW_CENTER_CURSOR:
             _glfw.hints.window.centerCursor = value ? GLFW_TRUE : GLFW_FALSE;
             return;
+        case GLFW_FOCUS_ON_SHOW:
+            _glfw.hints.window.focusOnShow = value ? GLFW_TRUE : GLFW_FALSE;
+            return;
         case GLFW_CLIENT_API:
             _glfw.hints.context.client = value;
             return;
@@ -755,7 +760,9 @@ GLFWAPI void glfwShowWindow(GLFWwindow* handle)
         return;
 
     _glfwPlatformShowWindow(window);
-    _glfwPlatformFocusWindow(window);
+
+    if (window->focusOnShow)
+        _glfwPlatformFocusWindow(window);
 }
 
 GLFWAPI void glfwRequestWindowAttention(GLFWwindow* handle)
@@ -810,6 +817,8 @@ GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib)
             return _glfwPlatformWindowMaximized(window);
         case GLFW_HOVERED:
             return _glfwPlatformWindowHovered(window);
+        case GLFW_FOCUS_ON_SHOW:
+            return window->focusOnShow;
         case GLFW_TRANSPARENT_FRAMEBUFFER:
             return _glfwPlatformFramebufferTransparent(window);
         case GLFW_RESIZABLE:
@@ -886,6 +895,8 @@ GLFWAPI void glfwSetWindowAttrib(GLFWwindow* handle, int attrib, int value)
         if (!window->monitor)
             _glfwPlatformSetWindowFloating(window, value);
     }
+    else if (attrib == GLFW_FOCUS_ON_SHOW)
+        window->focusOnShow = value;
     else
         _glfwInputError(GLFW_INVALID_ENUM, "Invalid window attribute 0x%08X", attrib);
 }
diff --git a/src/external/glfw/src/x11_window.c b/src/external/glfw/src/x11_window.c
index fc24f285..1c4e9c3c 100644
--- a/src/external/glfw/src/x11_window.c
+++ b/src/external/glfw/src/x11_window.c
@@ -2672,8 +2672,9 @@ void _glfwPlatformPollEvents(void)
 #if defined(__linux__)
     _glfwDetectJoystickConnectionLinux();
 #endif
-    int count = XPending(_glfw.x11.display);
-    while (count--)
+    XPending(_glfw.x11.display);
+
+    while (XQLength(_glfw.x11.display))
     {
         XEvent event;
         XNextEvent(_glfw.x11.display, &event);