1 /* Many part of code are ripped of an example from JX's site */
8 #include "WindowMaker.h"
14 #include "workspace.h"
18 #include <X11/Xatom.h>
21 #define XDND_VERSION 3L
27 Atom _XA_XdndPosition
;
29 Atom _XA_XdndActionCopy
;
30 Atom _XA_XdndSelection
;
31 Atom _XA_XdndFinished
;
32 Atom _XA_WINDOWMAKER_XDNDEXCHANGE
;
35 Atom _XA_MOTIF_DRAG_RECEIVER_INFO;
36 Atom _XA_MOTIF_DRAG_AND_DROP_MESSAGE;
41 void wXDNDInitializeAtoms()
44 _XA_XdndAware
= XInternAtom(dpy
, "XdndAware", False
);
45 _XA_XdndEnter
= XInternAtom(dpy
, "XdndEnter", False
);
46 _XA_XdndLeave
= XInternAtom(dpy
, "XdndLeave", False
);
47 _XA_XdndDrop
= XInternAtom(dpy
, "XdndDrop", False
);
48 _XA_XdndPosition
= XInternAtom(dpy
, "XdndPosition", False
);
49 _XA_XdndStatus
= XInternAtom(dpy
, "XdndStatus", False
);
50 _XA_XdndActionCopy
= XInternAtom(dpy
, "XdndActionCopy", False
);
51 _XA_XdndSelection
= XInternAtom(dpy
, "XdndSelection", False
);
52 _XA_XdndFinished
= XInternAtom(dpy
, "XdndFinished", False
);
54 _XA_WINDOWMAKER_XDNDEXCHANGE
= XInternAtom(dpy
, "_WINDOWMAKER_XDNDEXCHANGE", False
);
57 _XA_MOTIF_DRAG_RECEIVER_INFO = XInternAtom(dpy, "_MOTIF_DRAG_RECEIVER_INFO",False);
58 _XA_MOTIF_DRAG_AND_DROP_MESSAGE = XInternAtom(dpy, "_MOTIF_DRAG_AND_DROP_MESSAGE", False);
62 void wXDNDMakeAwareness(Window window
) {
63 long int xdnd_version
= 3;
65 MotifDragReceiverInfo info;
67 XChangeProperty (dpy
, window
, _XA_XdndAware
, XA_ATOM
,
68 32, PropModeAppend
, (char *)&xdnd_version
, 1);
71 info.byte_order = '\0';
72 info.protocol_version = 0;
73 info.protocol_style = XmDRAG_DYNAMIC;
74 info.proxy_window = 0;
75 info.num_drop_sites = 0;
76 info.total_size = sizeof(info);
78 XChangeProperty (dpy, window,
79 _XA_MOTIF_DRAG_RECEIVER_INFO,
80 _XA_MOTIF_DRAG_RECEIVER_INFO,
82 (unsigned char *)&info,
87 void wXDNDClearAwareness(Window window
) {
88 long int xdnd_version
= 3;
89 XDeleteProperty (dpy
, window
, _XA_XdndAware
);
93 wXDNDProcessSelection(XSelectionEvent
*event
)
95 WScreen
*scr
= wScreenForWindow(event
->requestor
);
99 unsigned long ret_item
;
100 unsigned long remain_byte
;
102 Window selowner
= XGetSelectionOwner(dpy
,_XA_XdndSelection
);
103 XGetWindowProperty(dpy
, event
->requestor
, _XA_WINDOWMAKER_XDNDEXCHANGE
,
104 0, 65536, True
, atom_support
, &ret_type
, &ret_format
,
105 &ret_item
, &remain_byte
, (unsigned char **)&delme
);
108 printf("get -%s-\n",delme);
110 scr
->xdestring
=delme
;
116 memset (&xevent
, 0, sizeof(xevent
));
117 xevent
.xany
.type
= ClientMessage
;
118 xevent
.xany
.display
= dpy
;
119 xevent
.xclient
.window
= selowner
;
120 xevent
.xclient
.message_type
= _XA_XdndFinished
;
121 xevent
.xclient
.format
= 32;
123 XDND_FINISHED_TARGET_WIN(&xevent
) = event
->requestor
;
124 XSendEvent(dpy
, selowner
, 0, 0, &xevent
);
129 isAwareXDND(Window window
)
133 unsigned long count
, remaining
;
134 unsigned char *data
=0;
137 if (!window
) return False
;
138 XGetWindowProperty (dpy
, window
, _XA_XdndAware
,
139 0, 0x8000000L
, False
, XA_ATOM
,
141 &count
, &remaining
, &data
);
142 if (actual
!= XA_ATOM
|| format
!= 32 || count
== 0 || !data
) {
153 acceptXDND(Window window
)
155 WScreen
*scr
= wScreenForWindow(window
);
156 WWindow
*wwin
= wWindowFor(window
);
161 if ((dock
= scr
->dock
)!=NULL
) {
162 for (i
=0; i
<dock
->max_icons
; i
++) {
163 if (dock
->icon_array
[i
]
164 && dock
->icon_array
[i
]->icon
->core
->window
==window
) {
170 if (icon_pos
<0 && (dock
= scr
->workspaces
[scr
->current_workspace
]->clip
)!=NULL
) {
171 for (i
=0; i
<dock
->max_icons
; i
++) {
172 if (dock
->icon_array
[i
]
173 && dock
->icon_array
[i
]->icon
->core
->window
==window
) {
179 if (icon_pos
<0) return False
;
180 if (!dock
) return False
;
181 if (isAwareXDND(dock
->icon_array
[icon_pos
]->icon
->icon_win
)) return False
;
183 if (dock
->icon_array
[icon_pos
]->dnd_command
!=NULL
) return True
;
189 wXDNDProcessClientMessage(XClientMessageEvent
*event
)
193 char * name
= XGetAtomName(dpy
, event
->message_type
);
195 printf("Get %s\n",name);
201 if (event->message_type == _XA_MOTIF_DRAG_AND_DROP_MESSAGE) {
202 printf("motif dnd msg %d\n",event->data.b[0]);
203 if (event->data.b[0] == XmDROP_START){
204 unsigned x_root, y_root, flags;
205 unsigned char reason;
206 unsigned long timestamp;
208 Window source_window;
209 MotifDragInitiatorInfo *initiator_info;
212 unsigned long ret_item;
213 unsigned long remain_byte;
215 reason = event->data.b[0];
216 flags = event->data.s[1];
217 timestamp = event->data.l[1];
218 x_root = event->data.s[4];
219 y_root = event->data.s[5];
220 atom = event->data.l[3];
221 source_window = event->data.l[4];
223 XGetWindowProperty(dpy, source_window, atom,
224 0, sizeof(*initiator_info), True, atom_support,
225 &ret_type, &ret_format,
226 &ret_item, &remain_byte, (unsigned char **)&initiator_info);
230 if (event
->message_type
== _XA_XdndEnter
) {
231 if ((event
->data
.l
[1] & 1) == 0){
232 atom_support
= event
->data
.l
[2];
235 else puts("enter more than 3 types");
238 } else if (event
->message_type
== _XA_XdndLeave
) {
240 } else if (event
->message_type
== _XA_XdndDrop
) {
241 if (event
->data
.l
[0] == XGetSelectionOwner(dpy
, _XA_XdndSelection
)){
242 XConvertSelection(dpy
, _XA_XdndSelection
, atom_support
,
243 _XA_WINDOWMAKER_XDNDEXCHANGE
, event
->window
, CurrentTime
);
246 else puts("wierd selection owner");
249 } else if (event
->message_type
== _XA_XdndPosition
) {
251 Window srcwin
= event
->data
.l
[0];
252 if (atom_support
!= XInternAtom(dpy
, "text/uri-list", False
)) {
256 memset (&xevent
, 0, sizeof(xevent
));
257 xevent
.xany
.type
= ClientMessage
;
258 xevent
.xany
.display
= dpy
;
259 xevent
.xclient
.window
= srcwin
;
260 xevent
.xclient
.message_type
= _XA_XdndStatus
;
261 xevent
.xclient
.format
= 32;
263 XDND_STATUS_TARGET_WIN (&xevent
) = event
->window
;
264 XDND_STATUS_WILL_ACCEPT_SET (&xevent
, acceptXDND(event
->window
));
265 XDND_STATUS_WANT_POSITION_SET(&xevent
, True
);
266 XDND_STATUS_RECT_SET(&xevent
, 0, 0, 1024,768);
267 XDND_STATUS_ACTION(&xevent
) = _XA_XdndActionCopy
;
269 XSendEvent(dpy
, srcwin
, 0, 0, &xevent
);