void WMDragImageFromView(WMView * view, XEvent * event)
{
WMDraggingInfo *info = &W_VIEW_SCREEN(view)->dragInfo;
WMPoint mouseLocation;
switch (event->type) {
case ButtonPress:
if (event->xbutton.button == Button1) {
XEvent nextEvent;
XPeekEvent(event->xbutton.display, &nextEvent);
/* Initialize only if a drag really begins (avoid clicks) */
if (nextEvent.type == MotionNotify) {
initSourceDragInfo(view, info);
}
}
break;
case ButtonRelease:
if (WMIsDraggingFromView(view)) {
Bool dropBegan = processButtonRelease(info);
recolorCursor(info, False);
if (dropBegan) {
endDragImage(info, False);
XDND_SOURCE_STATE(info) = finishDropState;
} else {
/* drop failed */
endDragImage(info, True);
endDragProcess(info, False);
}
}
break;
case MotionNotify:
if (WMIsDraggingFromView(view)) {
mouseLocation = wmkpoint(event->xmotion.x_root, event->xmotion.y_root);
if (abs(XDND_DRAG_ICON_POS(info).x - mouseLocation.x) >=
MIN_X_MOVE_OFFSET
|| abs(XDND_DRAG_ICON_POS(info).y - mouseLocation.y) >= MIN_Y_MOVE_OFFSET) {
if (XDND_DRAG_ICON(info) == None) {
initMotionProcess(view, info, event, &mouseLocation);
startDragImage(view, info, event);
} else {
XDND_DRAG_ICON_POS(info).x = mouseLocation.x - XDND_MOUSE_OFFSET(info).x;
XDND_DRAG_ICON_POS(info).y = mouseLocation.y - XDND_MOUSE_OFFSET(info).y;
refreshDragImage(view, info);
processMotion(info, &mouseLocation);
}
}
}
break;
}
}
void W_MaskedEventHandler(XEvent *event, void *data) {
W_MaskedEvents *events = (W_MaskedEvents*)data;
WMEventProc *proc = NULL;
unsigned int i;
for (i = 0; i < WMGetArrayItemCount(events->procs); i++) {
if (WMIsDraggingFromView(events->view) == False) {
proc = WMGetFromArray(events->procs, i);
(*proc)(event, WMGetFromArray(events->data, i));
} else {
/* *cough* evil *cough* hack... */
if (W_CLASS(events->view->self) == WC_List) {
((W_List*)(events->view->self))->flags.buttonWasPressed = 0;
((W_List*)(events->view->self))->flags.buttonPressed = 0;
}
}
}
}