Simplified and made clipboard API more type safe.

include/GL/glfw3.h

@@ -461,15 +461,11 @@ extern "C" {
 #define GLFW_VERSION_UNAVAILABLE  0x00070007
 #define GLFW_PLATFORM_ERROR       0x00070008
 #define GLFW_WINDOW_NOT_ACTIVE    0x00070009
-#define GLFW_CLIPBOARD_FORMAT_UNAVAILABLE 0x00070010
+#define GLFW_FORMAT_UNAVAILABLE   0x0007000A
 
 /* Gamma ramps */
 #define GLFW_GAMMA_RAMP_SIZE      256
 
-/* Clipboard formats */
-#define GLFW_CLIPBOARD_FORMAT_NONE   0
-#define GLFW_CLIPBOARD_FORMAT_STRING 1
-
 /*************************************************************************
  * Typedefs
  *************************************************************************/
@@ -580,8 +576,8 @@ GLFWAPI int glfwGetJoystickPos(int joy, float* pos, int numaxes);
 GLFWAPI int glfwGetJoystickButtons(int joy, unsigned char* buttons, int numbuttons);
 
 /* Clipboard */
-GLFWAPI void glfwSetClipboardData(void* data, size_t size, int format);
-GLFWAPI size_t glfwGetClipboardData(void* data, size_t size, int format);
+GLFWAPI void glfwSetClipboardString(const char* data);
+GLFWAPI size_t glfwGetClipboardString(char* data, size_t size);
 
 /* Time */
 GLFWAPI double glfwGetTime(void);

src/clipboard.c

@@ -41,7 +41,7 @@
 // Set the clipboard contents
 //========================================================================
 
-GLFWAPI void glfwSetClipboardData(void* data, size_t size, int format)
+GLFWAPI void glfwSetClipboardString(const char* string)
 {
     if (!_glfwInitialized)
     {
@@ -49,10 +49,7 @@ GLFWAPI void glfwSetClipboardData(void* data, size_t size, int format)
         return;
     }
 
-    if (format == GLFW_CLIPBOARD_FORMAT_NONE)
-        return;
-
-    _glfwPlatformSetClipboardData(data, size, format);
+    _glfwPlatformSetClipboardString(string);
 }
 
 
@@ -60,7 +57,7 @@ GLFWAPI void glfwSetClipboardData(void* data, size_t size, int format)
 // Return the current clipboard contents
 //========================================================================
 
-GLFWAPI size_t glfwGetClipboardData(void* data, size_t size, int format)
+GLFWAPI size_t glfwGetClipboardString(char* string, size_t size)
 {
     if (!_glfwInitialized)
     {
@@ -68,12 +65,9 @@ GLFWAPI size_t glfwGetClipboardData(void* data, size_t size, int format)
         return 0;
     }
 
-    if (format == GLFW_CLIPBOARD_FORMAT_NONE)
-        return 0;
-
-    if (!data || !size)
+    if (!string || !size)
         return 0;
 
-    return _glfwPlatformGetClipboardData(data, size, format);
+    return _glfwPlatformGetClipboardString(string, size);
 }
 

src/internal.h

@@ -289,8 +289,8 @@ void _glfwPlatformGetGammaRamp(GLFWgammaramp* ramp);
 void _glfwPlatformSetGammaRamp(const GLFWgammaramp* ramp);
 
 // Clipboard
-void _glfwPlatformSetClipboardData(void *data, size_t size, int format);
-size_t _glfwPlatformGetClipboardData(void *data, size_t size, int format);
+void _glfwPlatformSetClipboardString(const char* string);
+size_t _glfwPlatformGetClipboardString(char *data, size_t size);
 
 // Joystick
 int _glfwPlatformGetJoystickParam(int joy, int param);

src/x11_clipboard.c

@@ -93,35 +93,25 @@ Atom _glfwSelectionRequest(XSelectionRequestEvent* request)
 // Set the clipboard contents
 //========================================================================
 
-void _glfwPlatformSetClipboardData(void* data, size_t size, int format)
+void _glfwPlatformSetClipboardString(const char* string)
 {
-    switch (format)
-    {
-        case GLFW_CLIPBOARD_FORMAT_STRING:
-        {
-            // Allocate memory to keep track of the clipboard
-            char* cb = malloc(size + 1);
+    size_t size = strlen(string) + 1;
 
-            // Copy the clipboard data
-            memcpy(cb, data, size);
+    // Allocate memory to keep track of the clipboard
+    char* cb = malloc(size);
 
-            // Set the string length
-            _glfwLibrary.X11.selection.stringLength = size;
+    // Copy the clipboard data
+    memcpy(cb, string, size);
 
-            // Check if existing clipboard memory needs to be freed
-            if (_glfwLibrary.X11.selection.string)
-                free(_glfwLibrary.X11.selection.string);
+    // Set the string length
+    _glfwLibrary.X11.selection.stringLength = size;
 
-            // Now set the clipboard (awaiting the event SelectionRequest)
-            _glfwLibrary.X11.selection.string = cb;
-            break;
-        }
+    // Check if existing clipboard memory needs to be freed
+    if (_glfwLibrary.X11.selection.string)
+        free(_glfwLibrary.X11.selection.string);
 
-        default:
-            _glfwSetError(GLFW_CLIPBOARD_FORMAT_UNAVAILABLE,
-                          "X11/GLX: Unavailable clipboard format");
-            return;
-    }
+    // Now set the clipboard (awaiting the event SelectionRequest)
+    _glfwLibrary.X11.selection.string = cb;
 
     // Set the selection owner to our active window
     XSetSelectionOwner(_glfwLibrary.X11.display, XA_PRIMARY,
@@ -137,7 +127,7 @@ void _glfwPlatformSetClipboardData(void* data, size_t size, int format)
 // Return the current clipboard contents
 //========================================================================
 
-size_t _glfwPlatformGetClipboardData(void* data, size_t size, int format)
+size_t _glfwPlatformGetClipboardString(char* data, size_t size)
 {
     size_t len, rembytes, dummy;
     unsigned char* d;
@@ -176,8 +166,8 @@ size_t _glfwPlatformGetClipboardData(void* data, size_t size, int format)
     // Unsuccessful conversion, bail with no clipboard data
     if (_glfwLibrary.X11.selection.converted)
     {
-        _glfwSetError(GLFW_CLIPBOARD_FORMAT_UNAVAILABLE,
-                      "X11/GLX: Unavailable clipboard format");
+        _glfwSetError(GLFW_FORMAT_UNAVAILABLE,
+                      "X11/GLX: Failed to convert selection to string");
         return 0;
     }
 
@@ -222,8 +212,7 @@ size_t _glfwPlatformGetClipboardData(void* data, size_t size, int format)
             memcpy(data, d, s);
 
             // Null-terminate strings.
-            if (format == GLFW_CLIPBOARD_FORMAT_STRING)
-                ((char*) data)[s] = '\0';
+            ((char*) data)[s] = '\0';
 
             // Free the data allocated using X11.
             XFree(d);

tests/clipboard.c

@@ -64,7 +64,7 @@ static void key_callback(GLFWwindow window, int key, int action)
 
                 printf("Paste test.\n");
 
-                size = glfwGetClipboardData(buffer, sizeof(buffer), GLFW_CLIPBOARD_FORMAT_STRING);
+                size = glfwGetClipboardString(buffer, sizeof(buffer));
                 if (size >= sizeof(buffer))
                     printf("Buffer wasn't big enough to hold clipboard data.\n");
 
@@ -75,9 +75,9 @@ static void key_callback(GLFWwindow window, int key, int action)
         case GLFW_KEY_C:
             if (control_is_down(window))
             {
-                glfwSetClipboardData("Hello GLFW World!", sizeof("Hello GLFW World!"),
-                                     GLFW_CLIPBOARD_FORMAT_STRING);
-                printf("Setting clipboard to: %s\n", "Hello GLFW World!");
+                const char* string = "Hello GLFW World!";
+                glfwSetClipboardString(string);
+                printf("Setting clipboard to: %s\n", string);
             }
             break;
     }