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Add Xdnd support

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This commit is contained in:
Vlad K 2017-05-22 17:07:31 +03:00
parent c65f1fb7bc
commit dc2f4fef21
2 changed files with 154 additions and 22 deletions
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7
src/OpenTK/Platform/X11/API.cs
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@ -52,6 +52,13 @@ namespace OpenTK.Platform.X11
#endregion
// X11 has some defined values
internal static class Consts
{
public static readonly IntPtr None = IntPtr.Zero;
public static readonly IntPtr CurrentTime = IntPtr.Zero;
}
#region internal static class API
internal static class API

169
src/OpenTK/Platform/X11/X11GLNative.cs
View file

@ -76,6 +76,11 @@ namespace OpenTK.Platform.X11
IntPtr _atom_net_wm_state_maximized_horizontal;
IntPtr _atom_net_wm_state_maximized_vertical;
IntPtr xdndFormat;
long sourceXdndVersion;
IntPtr sourceHandler;
// Xdnd atoms
IntPtr _atom_xdnd_enter;
IntPtr _atom_xdnd_position;
@ -85,6 +90,9 @@ namespace OpenTK.Platform.X11
IntPtr _atom_xdnd_drop;
IntPtr _atom_xdnd_finished;
IntPtr _atom_xdnd_selection;
IntPtr _atom_xdnd_leave;
IntPtr _atom_xdnd_primary;
#pragma warning disable 414 // assigned but never used
IntPtr _atom_net_wm_allowed_actions;
@ -325,18 +333,33 @@ namespace OpenTK.Platform.X11
#region Utils
private void ReadProperty(IntPtr property, IntPtr type, ref IntPtr data, ref IntPtr itemsCount)
private void ReadProperty(IntPtr window, 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,
Functions.XGetWindowProperty(this.window.Display, window, property, IntPtr.Zero,
length, false, type,
out actualType, out format, out itemsCount, out bytesLeft, ref data);
}
private string[] parseUriList(string rawString)
{
string[] separator = new string[] {"\r", "\n"};
string[] splitted = rawString.Split(separator, StringSplitOptions.RemoveEmptyEntries);
string[] fileNames = new string[splitted.Length];
for (int i = 0; i < splitted.Length; i++)
{
// Delete start of name - file://
fileNames[i] = splitted[i].Substring(7);
}
return fileNames;
}
#endregion
#region private void RegisterAtoms()
@ -382,9 +405,12 @@ namespace OpenTK.Platform.X11
_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_finished = Functions.XInternAtom(window.Display, "XdndFinished", false);
_atom_xdnd_selection = Functions.XInternAtom(window.Display, "XdndSelection", false);
_atom_xdnd_leave = Functions.XInternAtom(window.Display, "XdndLeave", false);
// Selection atoms
_atom_xdnd_primary = Functions.XInternAtom(window.Display, "PRIMARY", false);
// string[] atom_names = new string[]
// {
// //"WM_TITLE",
@ -835,10 +861,12 @@ namespace OpenTK.Platform.X11
// Process all pending events
while (Exists && window != null)
{
//Functions.XNextEvent(window.Display, ref e);
using (new XLock(window.Display))
{
if (!Functions.XCheckWindowEvent(window.Display, window.Handle, window.EventMask, ref e) &&
!Functions.XCheckTypedWindowEvent(window.Display, window.Handle, XEventName.ClientMessage, ref e))
!Functions.XCheckTypedWindowEvent(window.Display, window.Handle, XEventName.ClientMessage, ref e) &&
!Functions.XCheckTypedWindowEvent(window.Display, window.Handle, XEventName.SelectionNotify, ref e))
break;
}
@ -881,45 +909,114 @@ namespace OpenTK.Platform.X11
OnClosed(EventArgs.Empty);
break;
}
} else if (e.ClientMessageEvent.message_type == _atom_xdnd_enter) {
}
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;
sourceHandler = e.ClientMessageEvent.ptr1;
sourceXdndVersion = e.ClientMessageEvent.ptr2.ToInt64() >> 24;
IntPtr formats = IntPtr.Zero;
int formatCount;
if (useList) {
if (useList)
{
IntPtr count = IntPtr.Zero;
ReadProperty(_atom_xdnd_type_list, (IntPtr)AtomName.XA_ATOM, ref formats, ref count);
ReadProperty(sourceHandler, _atom_xdnd_type_list, (IntPtr)AtomName.XA_ATOM, ref formats, ref count);
formatCount = count.ToInt32();
} else {
}
else
{
// Bad code it will save only 1 format
formats = Marshal.AllocHGlobal(3 * IntPtr.Size);
Marshal.WriteIntPtr(formats, e.ClientMessageEvent.ptr3);
Marshal.WriteIntPtr(formats, e.ClientMessageEvent.ptr4);
Marshal.WriteIntPtr(formats, e.ClientMessageEvent.ptr5);
Marshal.WriteIntPtr(formats, IntPtr.Size * 2, e.ClientMessageEvent.ptr4);
Marshal.WriteIntPtr(formats, IntPtr.Size * 3, e.ClientMessageEvent.ptr5);
formatCount = 3;
}
IntPtr atom = IntPtr.Zero;
for (int i = 0; i < formatCount && atom == IntPtr.Zero; i++) {
xdndFormat = Consts.None;
for (int i = 0; i < formatCount && xdndFormat == Consts.None; ++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;
string str = Marshal.PtrToStringAnsi(atomName);
if (str == "text/uri-list")
{
xdndFormat = tempAtom;
}
Functions.XFree(atomName);
}
if (useList && formats != IntPtr.Zero) {
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
else
{
Marshal.FreeHGlobal(formats);
}
}
else if (e.ClientMessageEvent.message_type == _atom_xdnd_position)
{
XEvent reply = new XEvent ();
reply.ClientMessageEvent.type = XEventName.ClientMessage;
reply.ClientMessageEvent.display = this.window.Display;
reply.ClientMessageEvent.window = sourceHandler;
reply.ClientMessageEvent.message_type = _atom_xdnd_status;
reply.ClientMessageEvent.format = 32;
reply.ClientMessageEvent.ptr1 = this.window.Handle;
if (xdndFormat != Consts.None)
{
reply.ClientMessageEvent.ptr2 = (IntPtr)1;
}
else
{
reply.ClientMessageEvent.ptr2 = (IntPtr)0;
}
reply.ClientMessageEvent.ptr3 = (IntPtr)0;
reply.ClientMessageEvent.ptr4 = (IntPtr)0;
reply.ClientMessageEvent.ptr5 = _atom_xdnd_action_copy;
Functions.XSendEvent(this.window.Display, sourceHandler, false, (IntPtr)EventMask.NoEventMask, ref reply);
Functions.XFlush(this.window.Display);
}
else if (e.ClientMessageEvent.message_type == _atom_xdnd_drop)
{
if (xdndFormat == Consts.None)
{
XEvent reply = new XEvent ();
reply.ClientMessageEvent.type = XEventName.ClientMessage;
reply.ClientMessageEvent.display = this.window.Display;
reply.ClientMessageEvent.window = sourceHandler;
reply.ClientMessageEvent.message_type = _atom_xdnd_finished;
reply.ClientMessageEvent.format = 32;
reply.ClientMessageEvent.ptr1 = this.window.Handle;
reply.ClientMessageEvent.ptr2 = (IntPtr)0;
reply.ClientMessageEvent.ptr3 = Consts.None;
Functions.XSendEvent(this.window.Display, sourceHandler, false, (IntPtr)EventMask.NoEventMask, ref reply);
Functions.XFlush(this.window.Display);
}
else
{
if (sourceXdndVersion >= 1)
{
Functions.XConvertSelection(this.window.Display, _atom_xdnd_selection, xdndFormat, _atom_xdnd_primary, this.window.Handle, e.ClientMessageEvent.ptr3);
}
else
{
Functions.XConvertSelection(this.window.Display, _atom_xdnd_selection, xdndFormat, _atom_xdnd_primary, this.window.Handle, Consts.CurrentTime);
}
}
}
else if (e.ClientMessageEvent.message_type == _atom_xdnd_leave)
{
break;
}
break;
@ -1088,6 +1185,34 @@ namespace OpenTK.Platform.X11
break;
case XEventName.SelectionNotify:
if (e.SelectionEvent.property == _atom_xdnd_primary)
{
IntPtr data = IntPtr.Zero;
IntPtr count = IntPtr.Zero;
ReadProperty(e.SelectionEvent.requestor, e.SelectionEvent.property, e.SelectionEvent.target, ref data, ref count);
string rawString = Marshal.PtrToStringAnsi(data);
Functions.XFree(data);
string[] fileNames = parseUriList(rawString);
for (int i = 0; i < fileNames.Length; i++)
{
OnDrop(fileNames[i]);
}
XEvent reply = new XEvent ();
reply.ClientMessageEvent.type = XEventName.ClientMessage;
reply.ClientMessageEvent.display = this.window.Display;
reply.ClientMessageEvent.window = sourceHandler;
reply.ClientMessageEvent.message_type = _atom_xdnd_finished;
reply.ClientMessageEvent.format = 32;
reply.ClientMessageEvent.ptr1 = this.window.Handle;
reply.ClientMessageEvent.ptr2 = (IntPtr)1;
reply.ClientMessageEvent.ptr3 = _atom_xdnd_action_copy;
Functions.XSendEvent(this.window.Display, e.ClientMessageEvent.ptr1, false, (IntPtr)EventMask.NoEventMask, ref reply);
}
break;
default: