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Fix DnD from Wayland gnome app to X11 FLTK app

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This DnD gives two data types of the dragged text: text and a gnome-specific type.
The code previously accepted DnD with 1 data type or 4 or more data types,
and processed situations with 2 or 3 data types in a special way that fails
with gnome source apps.
The new code processes situations with 2 and 3 data types just like other ones.
This works OK when dragging from gnome wayland apps.
This commit is contained in:
ManoloFLTK
2024-05-10 20:26:53 +02:00
parent 7b76552d18
commit 32b9c120f0
1 changed files with 2 additions and 2 deletions
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src/Fl_x.cxx
+2 -2
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@@ -1,7 +1,7 @@
//
// X specific code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2023 by Bill Spitzak and others.
// Copyright 1998-2024 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
@@ -1600,7 +1600,7 @@ int fl_handle(const XEvent& thisevent)
XGetWindowProperty(fl_display, fl_dnd_source_window, fl_XdndTypeList,
0, 0x8000000L, False, XA_ATOM, &actual, &format,
&count, &remaining, &cm_buffer);
if (actual != XA_ATOM || format != 32 || (count<4 && count!=1) || !cm_buffer) {
if (actual != XA_ATOM || format != 32 || count <= 0 || !cm_buffer) {
if ( cm_buffer ) { XFree(cm_buffer); cm_buffer = 0; }
goto FAILED;
}