mirror of
https://github.com/gryf/wmaker.git
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119 lines
2.3 KiB
C
119 lines
2.3 KiB
C
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#include <X11/Xatom.h>
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#include "WINGsP.h"
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/* dropping */
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typedef struct W_DNDTargetInfo {
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/* data types accepted for drops */
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Atom *dropTypes;
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int dropTypeCount;
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} DNDTargetInfo;
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static Atom XDNDversion = XDND_VERSION;
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static void
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realizedObserver(void *self, WMNotification *notif)
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{
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WMView *view = (WMView*)WMGetNotificationObject(notif);
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XChangeProperty(W_VIEW_SCREEN(view)->display, W_VIEW_DRAWABLE(view),
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W_VIEW_SCREEN(view)->xdndAwareAtom,
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XA_ATOM, 32, PropModeReplace,
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(unsigned char*)&XDNDversion, 1);
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WMRemoveNotificationObserver(self);
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}
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void
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W_SetXdndAwareProperty(WMScreen *scr, WMView *view, Atom *types, int typeCount)
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{
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Display *dpy = scr->display;
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view = W_TopLevelOfView(view);
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if (!view->flags.xdndHintSet) {
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view->flags.xdndHintSet = 1;
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if (view->flags.realized) {
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XChangeProperty(dpy, W_VIEW_DRAWABLE(view), scr->xdndAwareAtom,
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XA_ATOM, 32, PropModeReplace,
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(unsigned char*)&XDNDversion, 1);
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} else {
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WMAddNotificationObserver(realizedObserver, view,
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WMViewRealizedNotification,
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/* just use as an id */
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view->dragDestinationProcs);
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}
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}
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}
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WMData*
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WMGetDroppedData(WMView *view, WMDraggingInfo *info)
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{
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return NULL;
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}
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void
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WMRegisterViewForDraggedTypes(WMView *view, char *acceptedTypes[])
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{
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Atom *types;
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int typeCount;
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int i;
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typeCount = 0;
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while (acceptedTypes[typeCount++]);
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types = wmalloc(sizeof(Atom)*(typeCount+1));
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for (i = 0; i < typeCount; i++) {
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types[i] = XInternAtom(W_VIEW_SCREEN(view)->display,
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acceptedTypes[i], False);
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}
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types[i] = 0;
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view->droppableTypes = types;
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W_SetXdndAwareProperty(W_VIEW_SCREEN(view), view, types, typeCount);
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}
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void
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WMUnregisterViewDraggedTypes(WMView *view)
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{
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if (view->droppableTypes != NULL)
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free(view->droppableTypes);
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view->droppableTypes = NULL;
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}
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/***********************************************************************/
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void
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WMSetViewDragDestinationProcs(WMView *view, WMDragDestinationProcs *procs)
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{
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if (view->dragDestinationProcs == NULL) {
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free(view->dragDestinationProcs);
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view->dragDestinationProcs = wmalloc(sizeof(WMDragDestinationProcs));
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}
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*view->dragDestinationProcs = *procs;
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/*XXX fill in non-implemented stuffs */
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}
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