X11 copying code and support PRIMARY & CLIPBOARD clipboards.

src/x11_platform.h

@@ -89,8 +89,17 @@
 #define _GLFW_PLATFORM_LIBRARY_STATE _GLFWlibraryX11 X11
 #define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextGLX GLX
 
-// Number of string atoms that will be checked
-#define _GLFW_STRING_ATOMS_COUNT 4
+// Clipboard atoms
+#define _GLFW_CLIPBOARD_ATOM_PRIMARY 0
+#define _GLFW_CLIPBOARD_ATOM_CLIPBOARD 1
+#define _GLFW_CLIPBOARD_ATOM_SECONDARY 2
+#define _GLFW_CLIPBOARD_ATOM_COUNT 3
+
+// String atoms
+#define _GLFW_STRING_ATOM_UTF8 0
+#define _GLFW_STRING_ATOM_COMPOUND 1
+#define _GLFW_STRING_ATOM_STRING 2
+#define _GLFW_STRING_ATOM_COUNT 3
 
 //========================================================================
 // GLFW platform specific types
@@ -229,8 +238,15 @@ typedef struct _GLFWlibraryX11
 
     // Selection data
     struct {
-	Atom stringatoms[_GLFW_STRING_ATOMS_COUNT];
-        Atom request;
+	struct {
+		Atom clipboard[_GLFW_CLIPBOARD_ATOM_COUNT];
+		Atom string[_GLFW_STRING_ATOM_COUNT];
+	} atoms;
+	struct {
+		size_t stringlen;
+		char *string;
+	} clipboard;
+	Atom request;
         int converted;
     } selection;
 
@@ -273,5 +289,7 @@ void _glfwTerminateJoysticks(void);
 // Unicode support
 long _glfwKeySym2Unicode(KeySym keysym);
 
+// Clipboard handling
+Atom _glfwSelectionRequest(XSelectionRequestEvent *request);
 
 #endif // _platform_h_