/** Handle an unmap notify event. */
void HandleUnmapNotify(const XUnmapEvent *event)
{
ClientNode *np;
XEvent e;
Assert(event);
if(event->window != event->event) {
/* Allow ICCCM synthetic UnmapNotify events through. */
if (event->event != rootWindow || !event->send_event) {
return;
}
}
np = FindClientByWindow(event->window);
if(np) {
/* Grab the server to prevent the client from destroying the
* window after we check for a DestroyNotify. */
GrabServer();
if(np->controller) {
(np->controller)(1);
}
if(JXCheckTypedWindowEvent(display, np->window, DestroyNotify, &e)) {
UpdateTime(&e);
RemoveClient(np);
} else if((np->state.status & STAT_MAPPED) || event->send_event) {
if(!(np->state.status & STAT_HIDDEN)) {
np->state.status &= ~STAT_MAPPED;
JXUngrabButton(display, AnyButton, AnyModifier, np->window);
GravitateClient(np, 1);
JXReparentWindow(display, np->window, rootWindow, np->x, np->y);
WriteState(np);
JXRemoveFromSaveSet(display, np->window);
RemoveClient(np);
}
}
UngrabServer();
}
}
/** Place a client on the screen. */
void PlaceClient(ClientNode *np, char alreadyMapped)
{
BoundingBox box;
const ScreenType *sp;
Assert(np);
if(alreadyMapped || (!(np->state.status & STAT_PIGNORE)
&& (np->sizeFlags & (PPosition | USPosition)))) {
GravitateClient(np, 0);
if(!alreadyMapped) {
ConstrainSize(np);
ConstrainPosition(np);
}
} else {
sp = GetMouseScreen();
GetScreenBounds(sp, &box);
SubtractTrayBounds(GetTrays(), &box, np->state.layer);
SubtractStrutBounds(&box, np);
/* If tiled is specified, first attempt to use tiled placement. */
if(np->state.status & STAT_TILED) {
if(TileClient(&box, np)) {
return;
}
}
/* Either tiled placement failed or was not specified. */
if(np->state.status & STAT_CENTERED) {
CenterClient(&box, np);
} else {
CascadeClient(&box, np);
}
}
}
/** Remove a client window from management. */
void RemoveClient(ClientNode *np)
{
ColormapNode *cp;
Assert(np);
Assert(np->window != None);
/* Remove this client from the client list */
if(np->next) {
np->next->prev = np->prev;
} else {
nodeTail[np->state.layer] = np->prev;
}
if(np->prev) {
np->prev->next = np->next;
} else {
nodes[np->state.layer] = np->next;
}
clientCount -= 1;
XDeleteContext(display, np->window, clientContext);
if(np->parent != None) {
XDeleteContext(display, np->parent, frameContext);
}
if(np->state.status & STAT_URGENT) {
UnregisterCallback(SignalUrgent, np);
}
/* Make sure this client isn't active */
if(activeClient == np && !shouldExit) {
FocusNextStacked(np);
}
if(activeClient == np) {
/* Must be the last client. */
SetWindowAtom(rootWindow, ATOM_NET_ACTIVE_WINDOW, None);
activeClient = NULL;
JXSetInputFocus(display, rootWindow, RevertToParent, eventTime);
}
/* If the window manager is exiting (ie, not the client), then
* reparent etc. */
if(shouldExit && !(np->state.status & STAT_WMDIALOG)) {
if(np->state.maxFlags) {
np->x = np->oldx;
np->y = np->oldy;
np->width = np->oldWidth;
np->height = np->oldHeight;
JXMoveResizeWindow(display, np->window,
np->x, np->y, np->width, np->height);
}
GravitateClient(np, 1);
if(!(np->state.status & STAT_MAPPED)
&& (np->state.status & (STAT_MINIMIZED | STAT_SHADED))) {
JXMapWindow(display, np->window);
}
JXUngrabButton(display, AnyButton, AnyModifier, np->window);
JXReparentWindow(display, np->window, rootWindow, np->x, np->y);
JXRemoveFromSaveSet(display, np->window);
}
/* Destroy the parent */
if(np->parent) {
JXDestroyWindow(display, np->parent);
}
if(np->name) {
Release(np->name);
}
if(np->instanceName) {
JXFree(np->instanceName);
}
if(np->className) {
JXFree(np->className);
}
RemoveClientFromTaskBar(np);
RemoveClientStrut(np);
while(np->colormaps) {
cp = np->colormaps->next;
Release(np->colormaps);
np->colormaps = cp;
}
DestroyIcon(np->icon);
Release(np);
RequireRestack();
}
