Initial implementation to support XDND protocol.

dlls/x11drv/Makefile.in

@@ -35,6 +35,7 @@ C_SRCS = \
 	winpos.c \
 	x11ddraw.c \
 	x11drv_main.c \
+	xdnd.c \
 	xrandr.c \
 	xrender.c \
 	xvidmode.c

dlls/x11drv/event.c

@@ -1227,7 +1227,8 @@ static void EVENT_ClientMessage( HWND hWnd, XClientMessageEvent *event )
         else if (event->data.l[0] == DndURL)
             EVENT_DropURLs(hWnd, event);
     }
-    else {
+    else if (!X11DRV_XDND_Event(hWnd, event))
+    {
 #if 0
       /* enable this if you want to see the message */
       unsigned char* p_data = NULL;

dlls/x11drv/window.c

@@ -81,7 +81,24 @@ static const char * const atom_names[NB_XATOMS - FIRST_XATOM] =
     "_NET_WM_PID",
     "_NET_WM_PING",
     "_NET_WM_NAME",
+    "XdndAware",
+    "XdndEnter",
+    "XdndPosition",
+    "XdndStatus",
+    "XdndLeave",
+    "XdndFinished",
+    "XdndDrop",
+    "XdndActionCopy",
+    "XdndActionMove",
+    "XdndActionLink",
+    "XdndActionAsk",
+    "XdndActionPrivate",
+    "XdndSelection",
+    "XdndTarget",
+    "XdndTypeList",
     "image/gif",
+    "text/html",
+    "text/plain",
     "text/rtf",
     "text/richtext"
 };
@@ -356,6 +373,7 @@ void X11DRV_set_wm_hints( Display *display, WND *win )
     XWMHints* wm_hints;
     Atom protocols[3];
     MwmHints mwm_hints;
+    Atom dndVersion = 4;
     int i;
 
     wine_tsx11_lock();
@@ -428,6 +446,9 @@ void X11DRV_set_wm_hints( Display *display, WND *win )
                      x11drv_atom(_MOTIF_WM_HINTS), 32, PropModeReplace,
                      (char*)&mwm_hints, sizeof(mwm_hints)/sizeof(long) );
 
+    XChangeProperty( display, data->whole_window, x11drv_atom(XdndAware),
+                     XA_ATOM, 32, PropModeReplace, (unsigned char*)&dndVersion, 1 );
+
     wm_hints = XAllocWMHints();
     wine_tsx11_unlock();
 

dlls/x11drv/x11drv.h

@@ -231,6 +231,8 @@ extern void X11DRV_XRender_UpdateDrawable(X11DRV_PDEVICE *physDev);
 extern void X11DRV_OpenGL_Init(Display *display);
 extern XVisualInfo *X11DRV_setup_opengl_visual(Display *display);
 
+extern int X11DRV_XDND_Event(HWND hWnd, XClientMessageEvent *event);
+
 /* exported dib functions for now */
 
 /* Additional info for DIB section objects */
@@ -390,7 +392,24 @@ enum x11drv_atoms
     XATOM__NET_WM_PID,
     XATOM__NET_WM_PING,
     XATOM__NET_WM_NAME,
+    XATOM_XdndAware,
+    XATOM_XdndEnter,
+    XATOM_XdndPosition,
+    XATOM_XdndStatus,
+    XATOM_XdndLeave,
+    XATOM_XdndFinished,
+    XATOM_XdndDrop,
+    XATOM_XdndActionCopy,
+    XATOM_XdndActionMove,
+    XATOM_XdndActionLink,
+    XATOM_XdndActionAsk,
+    XATOM_XdndActionPrivate,
+    XATOM_XdndSelection,
+    XATOM_XdndTarget,
+    XATOM_XdndTypeList,
     XATOM_image_gif,
+    XATOM_text_html,
+    XATOM_text_plain,
     XATOM_text_rtf,
     XATOM_text_richtext,
     NB_XATOMS