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Initial d&d x11 event support

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This commit is contained in:
Vlad K 2017-05-17 00:03:03 +03:00
parent 9062f8ed30
commit c65f1fb7bc
1 changed files with 87 additions and 3 deletions
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84
src/OpenTK/Platform/X11/X11GLNative.cs
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@ -76,6 +76,16 @@ namespace OpenTK.Platform.X11
IntPtr _atom_net_wm_state_maximized_horizontal;
IntPtr _atom_net_wm_state_maximized_vertical;
// Xdnd atoms
IntPtr _atom_xdnd_enter;
IntPtr _atom_xdnd_position;
IntPtr _atom_xdnd_status;
IntPtr _atom_xdnd_type_list;
IntPtr _atom_xdnd_action_copy;
IntPtr _atom_xdnd_drop;
IntPtr _atom_xdnd_finished;
IntPtr _atom_xdnd_selection;
#pragma warning disable 414 // assigned but never used
IntPtr _atom_net_wm_allowed_actions;
IntPtr _atom_net_wm_action_resize;
@ -264,6 +274,13 @@ namespace OpenTK.Platform.X11
xi2_version = XI2MouseKeyboard.XIVersion;
}
// Alow window recive Xdnd Events
IntPtr xdndAware = Functions.XInternAtom(window.Display, "XdndAware", false);
IntPtr xdndProtocol = new IntPtr(5);
using (new XLock (window.Display)) {
Functions.XChangeProperty(this.window.Display, this.Handle, xdndAware, (IntPtr)AtomName.XA_ATOM, 32, PropertyMode.Replace, ref xdndProtocol, 1);
}
exists = true;
}
@ -306,6 +323,22 @@ namespace OpenTK.Platform.X11
#region Private Members
#region Utils
private void ReadProperty(IntPtr property, IntPtr type, ref IntPtr data, ref IntPtr itemsCount)
{
int format;
IntPtr length = new IntPtr(int.MaxValue);
IntPtr actualType;
IntPtr bytesLeft;
Functions.XGetWindowProperty(this.window.Display, this.window.Handle, property, IntPtr.Zero,
length, false, type,
out actualType, out format, out itemsCount, out bytesLeft, ref data);
}
#endregion
#region private void RegisterAtoms()
/// <summary>
@ -342,6 +375,16 @@ namespace OpenTK.Platform.X11
_atom_net_frame_extents =
Functions.XInternAtom(window.Display, "_NET_FRAME_EXTENTS", false);
// Some Xdnd atoms
_atom_xdnd_enter = Functions.XInternAtom(window.Display, "XdndEnter", false);
_atom_xdnd_position = Functions.XInternAtom(window.Display, "XdndPosition", false);
_atom_xdnd_status = Functions.XInternAtom(window.Display, "XdndStatus", false);
_atom_xdnd_type_list = Functions.XInternAtom(window.Display, "XdndTypeList", false);
_atom_xdnd_action_copy = Functions.XInternAtom(window.Display, "XdndActionCopy", false);
_atom_xdnd_drop = Functions.XInternAtom(window.Display, "XdndDrop", false);
_atom_xdnd_finished = Functions.XInternAtom(window.Display, "Xdndfinished", false);
_atom_xdnd_selection = Functions.XInternAtom(window.Display, "XdndSelection", false);
// string[] atom_names = new string[]
// {
// //"WM_TITLE",
@ -838,8 +881,46 @@ namespace OpenTK.Platform.X11
OnClosed(EventArgs.Empty);
break;
}
} else if (e.ClientMessageEvent.message_type == _atom_xdnd_enter) {
// Xdnd started
bool useList = ((e.ClientMessageEvent.ptr2.ToInt64() & 1) == 1);
//long source = e.ClientMessageEvent.ptr1.ToInt64();
//long version = e.ClientMessageEvent.ptr2.ToInt64() >> 24;
IntPtr formats = IntPtr.Zero;
int formatCount;
if (useList) {
IntPtr count = IntPtr.Zero;
ReadProperty(_atom_xdnd_type_list, (IntPtr)AtomName.XA_ATOM, ref formats, ref count);
formatCount = count.ToInt32();
} else {
Marshal.WriteIntPtr(formats, e.ClientMessageEvent.ptr3);
Marshal.WriteIntPtr(formats, e.ClientMessageEvent.ptr4);
Marshal.WriteIntPtr(formats, e.ClientMessageEvent.ptr5);
formatCount = 3;
}
IntPtr atom = IntPtr.Zero;
for (int i = 0; i < formatCount && atom == IntPtr.Zero; i++) {
IntPtr tempAtom = Marshal.ReadIntPtr(formats, IntPtr.Size * i);
IntPtr atomName = Functions.XGetAtomName(this.window.Display, tempAtom);
string str = Marshal.PtrToStringUni(atomName);
if (str == "text/uri-list") {
atom = tempAtom;
}
Functions.XFree(atomName);
}
if (useList && formats != IntPtr.Zero) {
Functions.XFree(formats);
}
} else if (e.ClientMessageEvent.message_type == _atom_xdnd_position) {
// Ignore for now it handle position of mouse when d&d happens
} else if (e.ClientMessageEvent.message_type == _atom_xdnd_drop) {
// Ignore for now it handle actual d&d
}
break;
case XEventName.DestroyNotify:
@ -1006,6 +1087,9 @@ namespace OpenTK.Platform.X11
//}
break;
case XEventName.SelectionNotify:
break;
default:
//Debug.WriteLine(String.Format("{0} event was not handled", e.type));
break;