public void SetData (X11Dnd dnd, object data, ref XEvent xevent)
{
string [] uri_list = data as string [];
if (uri_list == null) {
IDataObject dobj = data as IDataObject;
if (dobj == null)
return;
uri_list = dobj.GetData (DataFormats.FileDrop, true) as string [];
}
if (uri_list == null)
return;
StringBuilder res = new StringBuilder ();
foreach (string uri_str in uri_list) {
Uri uri = new Uri (uri_str);
res.Append (uri.ToString ());
res.Append ("\r\n");
}
IntPtr buffer = Marshal.StringToHGlobalAnsi ((string) res.ToString ());
int len = 0;
while (Marshal.ReadByte (buffer, len) != 0)
len++;
dnd.SetProperty (ref xevent, buffer, len);
}
internal void SetDisplay(IntPtr display_handle)
{
if (display_handle != IntPtr.Zero) {
Hwnd hwnd;
if ((DisplayHandle != IntPtr.Zero) && (FosterParent != IntPtr.Zero)) {
hwnd = Hwnd.ObjectFromHandle(FosterParent);
XDestroyWindow(DisplayHandle, FosterParent);
hwnd.Dispose();
}
if (DisplayHandle != IntPtr.Zero) {
XCloseDisplay(DisplayHandle);
}
DisplayHandle=display_handle;
// We need to tell System.Drawing our DisplayHandle. FromHdcInternal has
// been hacked to do this for us.
Graphics.FromHdcInternal (DisplayHandle);
// query for the render extension so
// we can ignore the spurious
// BadPicture errors that are
// generated by cairo/render.
XQueryExtension (DisplayHandle, "RENDER",
ref render_major_opcode, ref render_first_event, ref render_first_error);
// Debugging support
if (Environment.GetEnvironmentVariable ("MONO_XSYNC") != null) {
XSynchronize(DisplayHandle, true);
}
if (Environment.GetEnvironmentVariable ("MONO_XEXCEPTIONS") != null) {
ErrorExceptions = true;
}
// Generic X11 setup
ScreenNo = XDefaultScreen(DisplayHandle);
RootWindow = XRootWindow(DisplayHandle, ScreenNo);
DefaultColormap = XDefaultColormap(DisplayHandle, ScreenNo);
// Create the foster parent
// it is important that border_width is kept in synch with the other XCreateWindow calls
FosterParent=XCreateSimpleWindow(DisplayHandle, RootWindow, 0, 0, 1, 1, 0, UIntPtr.Zero, UIntPtr.Zero);
if (FosterParent==IntPtr.Zero) {
Console.WriteLine("XplatUIX11 Constructor failed to create FosterParent");
}
DebugHelper.WriteLine ("FosterParent created 0x{0:x}", FosterParent.ToInt32());
hwnd = new Hwnd();
hwnd.Queue = ThreadQueue(Thread.CurrentThread);
hwnd.WholeWindow = FosterParent;
hwnd.ClientWindow = FosterParent;
// Create a HWND for RootWIndow as well, so our queue doesn't eat the events
hwnd = new Hwnd();
hwnd.Queue = ThreadQueue(Thread.CurrentThread);
hwnd.whole_window = RootWindow;
hwnd.ClientWindow = RootWindow;
// For sleeping on the X11 socket
listen = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
IPEndPoint ep = new IPEndPoint(IPAddress.Loopback, 0);
listen.Bind(ep);
listen.Listen(1);
// To wake up when a timer is ready
network_buffer = new byte[10];
wake = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
wake.Connect(listen.LocalEndPoint);
// Make this non-blocking, so it doesn't
// deadlock if too many wakes are sent
// before the wake_receive end is polled
wake.Blocking = false;
wake_receive = listen.Accept();
#if __MonoCS__
pollfds = new Pollfd [2];
pollfds [0] = new Pollfd ();
pollfds [0].fd = XConnectionNumber (DisplayHandle);
pollfds [0].events = PollEvents.POLLIN;
pollfds [1] = new Pollfd ();
pollfds [1].fd = wake_receive.Handle.ToInt32 ();
pollfds [1].events = PollEvents.POLLIN;
#endif
Keyboard = new X11Keyboard(DisplayHandle, FosterParent);
Dnd = new X11Dnd (DisplayHandle, Keyboard);
DoubleClickInterval = 500;
HoverState.Interval = 500;
HoverState.Timer = new Timer();
HoverState.Timer.Enabled = false;
HoverState.Timer.Interval = HoverState.Interval;
HoverState.Timer.Tick += new EventHandler(MouseHover);
HoverState.Size = new Size(4, 4);
HoverState.X = -1;
HoverState.Y = -1;
ActiveWindow = IntPtr.Zero;
FocusWindow = IntPtr.Zero;
ModalWindows = new Stack(3);
MouseState = MouseButtons.None;
mouse_position = new Point(0, 0);
Caret.Timer = new Timer();
Caret.Timer.Interval = 500; // FIXME - where should this number come from?
Caret.Timer.Tick += new EventHandler(CaretCallback);
SetupAtoms();
// Grab atom changes off the root window to catch certain WM events
XSelectInput(DisplayHandle, RootWindow, new IntPtr ((int) (EventMask.PropertyChangeMask | Keyboard.KeyEventMask)));
// Handle any upcoming errors
ErrorHandler = new XErrorHandler(HandleError);
XSetErrorHandler(ErrorHandler);
} else {
throw new ArgumentNullException("Display", "Could not open display (X-Server required. Check your DISPLAY environment variable)");
}
}
public void SetData (X11Dnd dnd, object data, ref XEvent xevent)
{
IntPtr buffer;
int len;
string str = data as string;
if (str == null) {
IDataObject dobj = data as IDataObject;
if (dobj == null)
return;
str = (string) dobj.GetData ("System.String", true);
}
if (xevent.SelectionRequestEvent.target == (IntPtr)Atom.XA_STRING) {
byte [] bytes = Encoding.ASCII.GetBytes (str);
buffer = Marshal.AllocHGlobal (bytes.Length);
len = bytes.Length;
for (int i = 0; i < len; i++)
Marshal.WriteByte (buffer, i, bytes [i]);
} else {
buffer = Marshal.StringToHGlobalAnsi (str);
len = 0;
while (Marshal.ReadByte (buffer, len) != 0)
len++;
}
dnd.SetProperty (ref xevent, buffer, len);
Marshal.FreeHGlobal (buffer);
}
public void GetData (X11Dnd dnd, IDataObject data, ref XEvent xevent)
{
string text = dnd.GetText (ref xevent, false);
if (text == null)
return;
// TODO: Do this in a loop instead of just splitting
ArrayList uri_list = new ArrayList ();
string [] lines = text.Split (new char [] { '\r', '\n' });
foreach (string line in lines) {
// # is a comment line (see RFC 2483)
if (line.StartsWith ("#"))
continue;
try {
Uri uri = new Uri (line);
uri_list.Add (uri.LocalPath);
} catch { }
}
string [] l = (string []) uri_list.ToArray (typeof (string));
if (l.Length < 1)
return;
data.SetData (DataFormats.FileDrop, l);
data.SetData ("FileName", l [0]);
data.SetData ("FileNameW", l [0]);
}
public void GetData (X11Dnd dnd, IDataObject data, ref XEvent xevent)
{
string text = dnd.GetText (ref xevent, true);
if (text == null)
return;
data.SetData (DataFormats.Text, text);
data.SetData (DataFormats.UnicodeText, text);
}
public void SetData (X11Dnd dnd, object data, ref XEvent xevent)
{
if (data == null)
return;
MemoryStream stream = new MemoryStream ();
BinaryFormatter bf = new BinaryFormatter ();
bf.Serialize (stream, data);
IntPtr buffer = Marshal.AllocHGlobal ((int) stream.Length);
stream.Seek (0, 0);
for (int i = 0; i < stream.Length; i++) {
Marshal.WriteByte (buffer, i, (byte) stream.ReadByte ());
}
dnd.SetProperty (ref xevent, buffer, (int) stream.Length);
}
public void GetData (X11Dnd dnd, IDataObject data, ref XEvent xevent)
{
MemoryStream stream = dnd.GetData (ref xevent);
BinaryFormatter bf = new BinaryFormatter ();
if (stream.Length == 0)
return;
stream.Seek (0, 0);
object obj = bf.Deserialize (stream);
data.SetData (obj);
}
public X11Display (IntPtr display)
{
if (display == IntPtr.Zero) {
throw new ArgumentNullException("Display",
"Could not open display (X-Server required. Check your DISPLAY environment variable)");
}
this.display = display;
// Debugging support
if (Environment.GetEnvironmentVariable ("MONO_XSYNC") != null) {
Xlib.XSynchronize (display, true);
}
if (Environment.GetEnvironmentVariable ("MONO_XEXCEPTIONS") != null) {
ErrorExceptions = true;
}
atoms = new X11Atoms (this);
DoubleClickInterval = 500;
HoverState.Interval = 500;
HoverState.Timer = new Timer();
HoverState.Timer.Enabled = false;
HoverState.Timer.Interval = HoverState.Interval;
HoverState.Timer.Tick += new EventHandler(MouseHover);
HoverState.Size = new Size(4, 4);
HoverState.X = -1;
HoverState.Y = -1;
ActiveWindow = null;
FocusWindow = null;
ModalWindows = new Stack(3);
MouseState = MouseButtons.None;
MousePosition = new Point(0, 0);
Caret.Timer = new Timer();
Caret.Timer.Interval = 500; // FIXME - where should this number come from?
Caret.Timer.Tick += new EventHandler(CaretCallback);
// XXX multiscreen work here
root_hwnd = new X11RootHwnd (this, Xlib.XRootWindow (display, DefaultScreen));
// XXX do we need a per-screen foster parent?
// Create the foster parent
foster_hwnd = new X11Hwnd (this,
Xlib.XCreateSimpleWindow (display, root_hwnd.WholeWindow,
0, 0, 1, 1, 4, UIntPtr.Zero, UIntPtr.Zero));
pollfds = new Pollfd [1];
pollfds [0] = new Pollfd ();
pollfds [0].fd = Xlib.XConnectionNumber (display);
pollfds [0].events = PollEvents.POLLIN;
Keyboard = new X11Keyboard(display, foster_hwnd.Handle);
Dnd = new X11Dnd (display, Keyboard);
ErrorExceptions = false;
// Handle any upcoming errors
ErrorHandler = new XErrorHandler (HandleError);
Xlib.XSetErrorHandler (ErrorHandler);
X11DesktopColors.Initialize(); // XXX we need to figure out how to make this display specific?
// Disable keyboard autorepeat
try {
Xlib.XkbSetDetectableAutoRepeat (display, true, IntPtr.Zero);
detectable_key_auto_repeat = true;
} catch {
Console.Error.WriteLine ("Could not disable keyboard auto repeat, will attempt to disable manually.");
detectable_key_auto_repeat = false;
}
// we re-set our error handler here, X11DesktopColor stuff might have stolen it (gtk does)
Xlib.XSetErrorHandler (ErrorHandler);
// create our event thread (just sits on the X socket waiting for events)
event_thread = new Thread (new ThreadStart (XEventThread));
event_thread.IsBackground = true;
event_thread.Start ();
}
// native X display handle
internal void SetDisplay (IntPtr display_handle)
{
if (display_handle != IntPtr.Zero) {
Hwnd hwnd;
if ((GdkDisplayHandle != IntPtr.Zero) && (GdkFosterParent != IntPtr.Zero)) {
hwnd = Hwnd.ObjectFromHandle (gdk_x11_drawable_get_xid (GdkFosterParent));
gdk_window_destroy (GdkFosterParent);
hwnd.Dispose ();
}
if (GdkDisplayHandle != IntPtr.Zero) {
gdk_display_close (GdkDisplayHandle);
}
DisplayHandle = display_handle;
GdkDisplayHandle = gdk_x11_lookup_xdisplay (display_handle);
// We need to tell System.Drawing our DisplayHandle. FromHdcInternal has
// been hacked to do this for us.
Graphics.FromHdcInternal (DisplayHandle);
// Debugging support
if (Environment.GetEnvironmentVariable ("MONO_XSYNC") != null) {
XSynchronize (DisplayHandle, true);
}
if (Environment.GetEnvironmentVariable ("MONO_XEXCEPTIONS") != null) {
ErrorExceptions = true;
}
// Generic X11 setup
GdkScreen = gdk_screen_get_default ();
// or gdk_x11_get_default_screen
ScreenNo = gdk_screen_get_number (GdkScreen);
GdkRootWindow = gdk_get_default_root_window ();
RootWindow = gdk_x11_drawable_get_xid (GdkRootWindow);
GdkDefaultColormap = gdk_colormap_get_system ();
DefaultColormap = gdk_x11_colormap_get_xcolormap (GdkDefaultColormap);
VisualBestDepth = gdk_visual_get_best_depth ();
//Console.WriteLine (VisualBestDepth);
// Create the foster parent
FosterParent = XCreateSimpleWindow (DisplayHandle, RootWindow, 0, 0, 1, 1, 4, 0, 0);
GdkFosterParent = gdk_window_foreign_new (FosterParent);
if (GdkFosterParent == IntPtr.Zero) {
Console.WriteLine ("XplatUIX11GTK Constructor failed to create FosterParent");
}
hwnd = new Hwnd ();
hwnd.WholeWindow = FosterParent;
hwnd.ClientWindow = FosterParent;
// For sleeping on the X11 socket
listen = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 0);
listen.Bind (ep);
listen.Listen (1);
// To wake up when a timer is ready
network_buffer = new byte [10];
wake = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
wake.Connect (listen.LocalEndPoint);
wake_receive = listen.Accept ();
pollfds = new Pollfd [2];
pollfds [0] = new Pollfd ();
pollfds [0].fd = XConnectionNumber (DisplayHandle);
pollfds [0].events = PollEvents.POLLIN;
pollfds [1] = new Pollfd ();
pollfds [1].fd = wake_receive.Handle.ToInt32 ();
pollfds [1].events = PollEvents.POLLIN;
Keyboard = new X11Keyboard (DisplayHandle);
Dnd = new X11Dnd (DisplayHandle);
PostQuitState = false;
DoubleClickInterval = 500;
HoverState.Interval = 500;
HoverState.Timer = new Timer ();
HoverState.Timer.Enabled = false;
HoverState.Timer.Interval = HoverState.Interval;
HoverState.Timer.Tick += new EventHandler (MouseHover);
HoverState.X = -1;
HoverState.Y = -1;
ActiveWindow = IntPtr.Zero;
FocusWindow = IntPtr.Zero;
ModalWindows = new Stack (3);
MouseState = MouseButtons.None;
MousePosition = new Point (0, 0);
Caret.Timer = new Timer ();
Caret.Timer.Interval = 500; // FIXME - where should this number come from?
Caret.Timer.Tick += new EventHandler (CaretCallback);
SetupAtoms ();
// Grab atom changes off the root window to catch certain WM events
gdk_window_set_events (GdkRootWindow, (int)GdkEventMask.GDK_PROPERTY_CHANGE_MASK);
// Handle any upcoming errors
ErrorHandler = new XErrorHandler (HandleError);
XSetErrorHandler (ErrorHandler);
} else {
throw new ArgumentNullException ("Display", "Could not open display (X-Server required. Check your DISPLAY environment variable)");
}
}
