/** Focus the next client in the stacking order. */
void FocusNextStacked(ClientNode *np)
{
int x;
ClientNode *tp;
Assert(np);
for(tp = np->next; tp; tp = tp->next) {
if((tp->state.status & (STAT_MAPPED | STAT_SHADED))
&& !(tp->state.status & STAT_HIDDEN)) {
FocusClient(tp);
return;
}
}
for(x = np->state.layer - 1; x >= FIRST_LAYER; x--) {
for(tp = nodes[x]; tp; tp = tp->next) {
if((tp->state.status & (STAT_MAPPED | STAT_SHADED))
&& !(tp->state.status & STAT_HIDDEN)) {
FocusClient(tp);
return;
}
}
}
/* No client to focus. */
JXSetInputFocus(display, rootWindow, RevertToParent, eventTime);
}
/** Set the active client. */
void FocusClient(ClientNode *np)
{
if(np->state.status & STAT_HIDDEN) {
return;
}
if(!(np->state.status & (STAT_CANFOCUS | STAT_TAKEFOCUS))) {
return;
}
if(activeClient != np || !(np->state.status & STAT_ACTIVE)) {
if(activeClient) {
activeClient->state.status &= ~STAT_ACTIVE;
if(!(activeClient->state.status & STAT_OPACITY)) {
SetOpacity(activeClient, settings.inactiveClientOpacity, 0);
}
DrawBorder(activeClient);
}
np->state.status |= STAT_ACTIVE;
activeClient = np;
if(!(np->state.status & STAT_OPACITY)) {
SetOpacity(np, settings.activeClientOpacity, 0);
}
DrawBorder(np);
RequirePagerUpdate();
RequireTaskUpdate();
}
if(np->state.status & STAT_MAPPED) {
UpdateClientColormap(np);
SetWindowAtom(rootWindow, ATOM_NET_ACTIVE_WINDOW, np->window);
if(np->state.status & STAT_CANFOCUS) {
JXSetInputFocus(display, np->window, RevertToParent, eventTime);
}
if(np->state.status & STAT_TAKEFOCUS) {
SendClientMessage(np->window, ATOM_WM_PROTOCOLS, ATOM_WM_TAKE_FOCUS);
}
} else {
JXSetInputFocus(display, rootWindow, RevertToParent, eventTime);
}
}
/** Prepare the connection. */
void StartupConnection(void)
{
XSetWindowAttributes attr;
#ifdef USE_SHAPE
int shapeError;
#endif
#ifdef USE_XRENDER
int renderEvent;
int renderError;
#endif
struct sigaction sa;
char name[32];
Window win;
XEvent event;
int revert;
initializing = 1;
OpenConnection();
#if 0
XSynchronize(display, True);
#endif
/* Create the supporting window used to verify JWM is running. */
supportingWindow = JXCreateSimpleWindow(display, rootWindow,
0, 0, 1, 1, 0, 0, 0);
/* Get the atom used for the window manager selection. */
snprintf(name, 32, "WM_S%d", rootScreen);
managerSelection = JXInternAtom(display, name, False);
/* Get the current window manager and take the selection. */
GrabServer();
win = JXGetSelectionOwner(display, managerSelection);
if(win != None) {
JXSelectInput(display, win, StructureNotifyMask);
}
JXSetSelectionOwner(display, managerSelection,
supportingWindow, CurrentTime);
UngrabServer();
/* Wait for the current selection owner to give up the selection. */
if(win != None) {
/* Note that we need to wait for the current selection owner
* to exit before we can expect to select SubstructureRedirectMask. */
XIfEvent(display, &event, SelectionReleased, (XPointer)&win);
JXSync(display, False);
}
event.xclient.display = display;
event.xclient.type = ClientMessage;
event.xclient.window = rootWindow;
event.xclient.message_type = JXInternAtom(display, managerProperty, False);
event.xclient.format = 32;
event.xclient.data.l[0] = CurrentTime;
event.xclient.data.l[1] = managerSelection;
event.xclient.data.l[2] = supportingWindow;
event.xclient.data.l[3] = 2;
event.xclient.data.l[4] = 0;
JXSendEvent(display, rootWindow, False, StructureNotifyMask, &event);
JXSync(display, False);
JXSetErrorHandler(ErrorHandler);
clientContext = XUniqueContext();
frameContext = XUniqueContext();
/* Set the events we want for the root window.
* Note that asking for SubstructureRedirect will fail
* if another window manager is already running.
*/
attr.event_mask
= SubstructureRedirectMask
| SubstructureNotifyMask
| StructureNotifyMask
| PropertyChangeMask
| ColormapChangeMask
| ButtonPressMask
| ButtonReleaseMask
| PointerMotionMask | PointerMotionHintMask;
JXChangeWindowAttributes(display, rootWindow, CWEventMask, &attr);
memset(&sa, 0, sizeof(sa));
sa.sa_flags = 0;
sa.sa_handler = HandleExit;
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGHUP, &sa, NULL);
sa.sa_flags = SA_NOCLDWAIT;
sa.sa_handler = SIG_DFL;
sigaction(SIGCHLD, &sa, NULL);
#ifdef USE_SHAPE
haveShape = JXShapeQueryExtension(display, &shapeEvent, &shapeError);
if (haveShape) {
Debug("shape extension enabled");
} else {
Debug("shape extension disabled");
}
#endif
#ifdef USE_XRENDER
haveRender = JXRenderQueryExtension(display, &renderEvent, &renderError);
if(haveRender) {
Debug("render extension enabled");
} else {
Debug("render extension disabled");
}
#endif
/* Make sure we have input focus. */
win = None;
JXGetInputFocus(display, &win, &revert);
if(win == None) {
JXSetInputFocus(display, rootWindow, RevertToParent, CurrentTime);
}
initializing = 0;
}
/** 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();
}
