Upgraded Win32 port to Unicode mode.

readme.html

@@ -319,6 +319,7 @@ version of GLFW.</p>
   <li>[X11] Bugfix: Some window properties required by the ICCCM were not set</li>
   <li>[X11] Bugfix: Calling <code>glXCreateContextAttribsARB</code> with an unavailable OpenGL version caused the application to terminate with a <code>BadMatch</code> Xlib error</li>
   <li>[X11] Bugfix: A synchronization point necessary for jitter-free locked cursor mode was incorrectly removed</li>
+  <li>[Win32] Changed port to use Unicode mode only</li>
   <li>[Win32] Removed explicit support for versions of Windows older than Windows XP</li>
   <li>[Win32] Bugfix: Window activation and iconification did not work as expected</li>
   <li>[Win32] Bugfix: Software rasterizer pixel formats were not discarded by the WGL_ARB_pixel_format code path</li>

src/win32_init.c

@@ -47,7 +47,7 @@ static GLboolean initLibraries(void)
 #ifndef _GLFW_NO_DLOAD_GDI32
     // gdi32.dll (OpenGL pixel format functions & SwapBuffers)
 
-    _glfwLibrary.Win32.gdi.instance = LoadLibrary("gdi32.dll");
+    _glfwLibrary.Win32.gdi.instance = LoadLibrary(L"gdi32.dll");
     if (!_glfwLibrary.Win32.gdi.instance)
         return GL_FALSE;
 
@@ -81,12 +81,12 @@ static GLboolean initLibraries(void)
 #ifndef _GLFW_NO_DLOAD_WINMM
     // winmm.dll (for joystick and timer support)
 
-    _glfwLibrary.Win32.winmm.instance = LoadLibrary("winmm.dll");
+    _glfwLibrary.Win32.winmm.instance = LoadLibrary(L"winmm.dll");
     if (!_glfwLibrary.Win32.winmm.instance)
         return GL_FALSE;
 
-    _glfwLibrary.Win32.winmm.joyGetDevCapsA = (JOYGETDEVCAPSA_T)
-        GetProcAddress(_glfwLibrary.Win32.winmm.instance, "joyGetDevCapsA");
+    _glfwLibrary.Win32.winmm.joyGetDevCaps = (JOYGETDEVCAPS_T)
+        GetProcAddress(_glfwLibrary.Win32.winmm.instance, "joyGetDevCapsW");
     _glfwLibrary.Win32.winmm.joyGetPos = (JOYGETPOS_T)
         GetProcAddress(_glfwLibrary.Win32.winmm.instance, "joyGetPos");
     _glfwLibrary.Win32.winmm.joyGetPosEx = (JOYGETPOSEX_T)
@@ -94,7 +94,7 @@ static GLboolean initLibraries(void)
     _glfwLibrary.Win32.winmm.timeGetTime = (TIMEGETTIME_T)
         GetProcAddress(_glfwLibrary.Win32.winmm.instance, "timeGetTime");
 
-    if (!_glfwLibrary.Win32.winmm.joyGetDevCapsA ||
+    if (!_glfwLibrary.Win32.winmm.joyGetDevCaps ||
         !_glfwLibrary.Win32.winmm.joyGetPos ||
         !_glfwLibrary.Win32.winmm.joyGetPosEx ||
         !_glfwLibrary.Win32.winmm.timeGetTime)

src/win32_platform.h

@@ -45,6 +45,8 @@
 // thinks it is the only one that gets to do so
 #undef APIENTRY
 
+#define UNICODE
+
 #include <windows.h>
 #include <mmsystem.h>
 
@@ -162,7 +164,7 @@ typedef BOOL (WINAPI * SETDEVICEGAMMARAMP_T) (HDC,PVOID);
 
 // winmm.dll function pointer typedefs
 #ifndef _GLFW_NO_DLOAD_WINMM
-typedef MMRESULT (WINAPI * JOYGETDEVCAPSA_T) (UINT,LPJOYCAPSA,UINT);
+typedef MMRESULT (WINAPI * JOYGETDEVCAPS_T) (UINT,LPJOYCAPS,UINT);
 typedef MMRESULT (WINAPI * JOYGETPOS_T) (UINT,LPJOYINFO);
 typedef MMRESULT (WINAPI * JOYGETPOSEX_T) (UINT,LPJOYINFOEX);
 typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
@@ -190,12 +192,12 @@ typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
 
 // winmm.dll shortcuts
 #ifndef _GLFW_NO_DLOAD_WINMM
-#define _glfw_joyGetDevCaps _glfwLibrary.Win32.winmm.joyGetDevCapsA
+#define _glfw_joyGetDevCaps _glfwLibrary.Win32.winmm.joyGetDevCaps
 #define _glfw_joyGetPos     _glfwLibrary.Win32.winmm.joyGetPos
 #define _glfw_joyGetPosEx   _glfwLibrary.Win32.winmm.joyGetPosEx
 #define _glfw_timeGetTime   _glfwLibrary.Win32.winmm.timeGetTime
 #else
-#define _glfw_joyGetDevCaps joyGetDevCapsA
+#define _glfw_joyGetDevCaps joyGetDevCaps
 #define _glfw_joyGetPos     joyGetPos
 #define _glfw_joyGetPosEx   joyGetPosEx
 #define _glfw_timeGetTime   timeGetTime
@@ -204,7 +206,7 @@ typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
 
 // We use versioned window class names in order not to cause conflicts
 // between applications using different versions of GLFW
-#define _GLFW_WNDCLASSNAME "GLFW30"
+#define _GLFW_WNDCLASSNAME L"GLFW30"
 
 
 #define _GLFW_PLATFORM_WINDOW_STATE  _GLFWwindowWin32 Win32
@@ -309,7 +311,7 @@ typedef struct _GLFWlibraryWin32
     // winmm.dll
     struct {
         HINSTANCE             instance;
-        JOYGETDEVCAPSA_T      joyGetDevCapsA;
+        JOYGETDEVCAPS_T       joyGetDevCaps;
         JOYGETPOS_T           joyGetPos;
         JOYGETPOSEX_T         joyGetPosEx;
         TIMEGETTIME_T         timeGetTime;

src/win32_window.c

@@ -34,6 +34,31 @@
 #include <stdlib.h>
 
 
+//========================================================================
+// Convert the specified UTF-8 string to a wide string
+//========================================================================
+
+static WCHAR* createWideStringFromUTF8(const char* source)
+{
+    WCHAR* target;
+    int length;
+
+    length = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0);
+    if (!length)
+        return NULL;
+
+    target = (WCHAR*) _glfwMalloc(sizeof(WCHAR) * (length + 1));
+
+    if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, length + 1))
+    {
+        _glfwFree(target);
+        return NULL;
+    }
+
+    return target;
+}
+
+
 //========================================================================
 // Convert BPP to RGB bits based on "best guess"
 //========================================================================
@@ -1220,7 +1245,7 @@ static ATOM registerWindowClass(void)
     wc.lpszClassName = _GLFW_WNDCLASSNAME;            // Set class name
 
     // Load user-provided icon if available
-    wc.hIcon = LoadIcon(_glfwLibrary.Win32.instance, "GLFW_ICON");
+    wc.hIcon = LoadIcon(_glfwLibrary.Win32.instance, L"GLFW_ICON");
     if (!wc.hIcon)
     {
         // Load default icon
@@ -1280,9 +1305,10 @@ static int createWindow(_GLFWwindow* window,
                         const _GLFWfbconfig* fbconfig)
 {
     DWORD dwStyle, dwExStyle;
-    int pixelFormat, fullWidth, fullHeight;
+    int length, pixelFormat, fullWidth, fullHeight;
     RECT wa;
     POINT pos;
+    WCHAR* wideTitle;
 
     // Set common window styles
     dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
@@ -1331,9 +1357,17 @@ static int createWindow(_GLFWwindow* window,
     else
         SystemParametersInfo(SPI_GETWORKAREA, 0, &wa, 0);
 
+    wideTitle = createWideStringFromUTF8(wndconfig->title);
+    if (!wideTitle)
+    {
+        _glfwSetError(GLFW_PLATFORM_ERROR,
+                      "glfwOpenWindow: Failed to convert title to wide string");
+        return;
+    }
+
     window->Win32.handle = CreateWindowEx(window->Win32.dwExStyle,
                                           _GLFW_WNDCLASSNAME,
-                                          wndconfig->title,
+                                          wideTitle,
                                           window->Win32.dwStyle,
                                           wa.left, wa.top,       // Window position
                                           fullWidth,             // Decorated window width
@@ -1349,6 +1383,8 @@ static int createWindow(_GLFWwindow* window,
         return GL_FALSE;
     }
 
+    _glfwFree(wideTitle);
+
     window->WGL.DC = GetDC(window->Win32.handle);
     if (!window->WGL.DC)
     {
@@ -1568,7 +1604,17 @@ void _glfwPlatformCloseWindow(_GLFWwindow* window)
 
 void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
 {
-    SetWindowText(window->Win32.handle, title);
+    WCHAR* wideTitle = createWideStringFromUTF8(title);
+    if (!wideTitle)
+    {
+        _glfwSetError(GLFW_PLATFORM_ERROR,
+                      "glfwSetWindowTitle: Failed to convert title to wide string");
+        return;
+    }
+
+    SetWindowText(window->Win32.handle, wideTitle);
+
+    _glfwFree(wideTitle);
 }