void kde_update_icons()
{
gulong count = (unsigned) -1; /* grab as many as possible */
Window *ids;
unsigned int i;
GSList *it, *next;
gboolean removed = FALSE; /* were any removed? */
if (! xprop_get32(root, kde_systray_prop, XA_WINDOW, sizeof(Window)*8,
&count, &ids))
return;
/* add new windows to our list */
for (i = 0; i < count; ++i) {
for (it = icons; it != NULL; it = g_slist_next(it)) {
TrayWindow *traywin = it->data;
if (traywin->id == ids[i])
break;
}
if (!it)
icon_add(ids[i], KDE);
}
/* remove windows from our list that no longer exist in the property */
for (it = icons; it != NULL;) {
TrayWindow *traywin = it->data;
gboolean exists;
if (traywin->type != KDE) {
/* don't go removing non-kde windows */
exists = TRUE;
} else {
exists = FALSE;
for (i = 0; i < count; ++i) {
if (traywin->id == ids[i]) {
exists = TRUE;
break;
}
}
}
next = g_slist_next(it);
if (!exists) {
icon_remove(it);
removed =TRUE;
}
it = next;
}
if (removed) {
/* at least one tray app was removed, so reorganize 'em all and resize*/
reposition_icons();
fix_geometry();
}
XFree(ids);
}
static void send_xembed_notify(Window w, Window parent){
XEvent ev;
ev.xclient.type = ClientMessage;
ev.xclient.window = w;
ev.xclient.message_type = xembed;
ev.xclient.format = 32;
ev.xclient.data.l[0] = get_X_time();
ev.xclient.data.l[1] = 0; // XEMBED_EMBEDDED_NOTIFY
ev.xclient.data.l[2] = 0;
ev.xclient.data.l[3] = parent;
ev.xclient.data.l[4] = 0; // version
void *v=catch_BadWindow_errors();
XSendEvent(display, w, False, NoEventMask, &ev);
if(uncatch_BadWindow_errors(v)){
warn(DEBUG_WARN, "Tray icon %lx is invalid", w);
icon_remove(w);
}
}
static void event(XEvent *ev){
struct trayicon *icon;
void *v;
switch(ev->type){
case SelectionClear:
if(ev->xselectionclear.selection == net_system_tray_s && XGetSelectionOwner(display, net_system_tray_s) != selwindow){
warn(DEBUG_ERROR, "fdtray: Another application (window %lx) has forcibly taken the system tray registration", ev->xselectionclear.window);
exitapp = True;
}
break;
case PropertyNotify:
if(ev->xproperty.atom != xembed_info) break;
icon = icon_find(ev->xproperty.window);
if(!icon || icon->type!=my_id) break;
v = catch_BadWindow_errors();
Bool map = get_map(icon->w);
if(uncatch_BadWindow_errors(v)){
warn(DEBUG_WARN, "Tray icon %lx is invalid", icon->w);
icon_remove(icon->w);
} else {
icon_set_mapping(icon, map);
}
break;
case ConfigureNotify:
icon = icon_find(ev->xconfigure.window);
if(!icon || icon->type!=my_id) break;
v = catch_BadWindow_errors();
{
XWindowAttributes a;
XGetWindowAttributes(display, icon->w, &a);
if(a.width != iconsize || a.height != iconsize)
XResizeWindow(display, icon->w, iconsize, iconsize);
}
if(uncatch_BadWindow_errors(v)){
warn(DEBUG_WARN, "Tray icon %lx is invalid", icon->w);
icon_remove(icon->w);
}
break;
case ReparentNotify:
icon = icon_find(ev->xreparent.window);
if(!icon || icon->type!=my_id) break;
if(is_icon_parent(ev->xreparent.parent)){
send_xembed_notify(icon->w, ev->xreparent.parent);
} else {
warn(DEBUG_WARN, "Tray icon %lx was reparented, removing", icon->w);
icon_remove(icon->w);
}
break;
case DestroyNotify:
icon = icon_find(ev->xdestroywindow.window);
if(!icon || icon->type!=my_id) break;
warn(DEBUG_WARN, "Tray icon %lx was destroyed, removing", icon->w);
icon_remove(icon->w);
break;
case ClientMessage:
if(ev->xclient.message_type == net_system_tray_opcode){
switch(ev->xclient.data.l[1]){
case 0: // SYSTEM_TRAY_REQUEST_DOCK
add(ev->xclient.data.l[2]);
break;
case 1: // SYSTEM_TRAY_BEGIN_MESSAGE
icon = icon_find(ev->xclient.window);
if(!icon || icon->type!=my_id) break;
*(int *)icon->data = ev->xclient.data.l[4];
icon_begin_message(icon->w, ev->xclient.data.l[4], ev->xclient.data.l[3], ev->xclient.data.l[2]);
break;
case 2: // SYSTEM_TRAY_CANCEL_MESSAGE
icon = icon_find(ev->xclient.window);
if(!icon || icon->type!=my_id) break;
icon_cancel_message(icon->w, ev->xclient.data.l[2]);
break;
}
} else if(ev->xclient.message_type == net_system_tray_message_data){
icon = icon_find(ev->xclient.window);
if(!icon || icon->type!=my_id) break;
icon_message_data(icon->w, *(int *)icon->data, ev->xclient.data.b, 20);
}
break;
}
}
/* Display functions */
static void update(){
int i, j, x, y, w;
int icons_per_page=icons_per_row*icons_per_col*num_windows;
char buf[42];
Window dummy;
int pages;
need_update = False;
redo:
pages = (num_mapped_icons-1)/icons_per_page+1;
if(current_page >= pages){
warn(DEBUG_DEBUG, "Page %d is empty!", current_page+1);
current_page=pages-1;
}
warn(DEBUG_DEBUG, "Updating display: page %d of %d", current_page+1, pages);
for(i = 0; i<num_windows; i++){
warn(DEBUG_DEBUG, "Drawing window %d (%lx)", i, iconwin[i]);
if(arrow_style==0 ||
(arrow_style==1 && i==0) ||
(arrow_style==2 && i==num_windows-1)){
y=(current_page==0)?0:(iconwin[i]==down_window && down_button==-1)?20:10;
XCopyArea(display, pixmap, iconwin[i], gc5x8, 0,y, 15,10, 4,52);
}
if(arrow_style==0 ||
(arrow_style==1 && i==num_windows-1) ||
(arrow_style==2 && i==num_windows-1)){
sprintf(buf, "%d/%d", current_page+1, pages);
x = strlen(buf);
XClearArea(display, iconwin[i], 19,52, 25,8, False);
XDrawString(display, iconwin[i], gc5x8, (current_page>8)?19:24,60, buf, x);
y=(current_page+1>=pages)?0:(iconwin[i]==down_window && down_button==1)?20:10;
XCopyArea(display, pixmap, iconwin[i], gc5x8, 15,y, 15,10, 45,52);
}
if(id_windows){
sprintf(buf, "%d", i);
XDrawString(display, iconwin[i], gc10x20, 8,50, buf, strlen(buf));
}
}
struct trayicon *icon = icons;
i=-current_page*icons_per_page;
while(icon){
void *v=catch_BadWindow_errors();
if(!icon->mapped || i<0 || i>=icons_per_page){
warn(DEBUG_DEBUG, "Tray icon %lx is not visible", icon->w);
icon->visible = False;
if(icon->parent == None){
// Parent it somewhere
warn(DEBUG_DEBUG, "Reparenting %lx to %lx", icon->w, iconwin[0]);
XReparentWindow(display, icon->w, iconwin[0], 0, 0);
icon->parent = iconwin[0];
}
XUnmapWindow(display, icon->w);
} else {
icon->visible = True;
j = i;
switch(fill_style){
case 0:
w = j / (icons_per_row * icons_per_col);
j = j % (icons_per_row * icons_per_col);
y = j / icons_per_row;
x = j % icons_per_row;
break;
case 1:
y = j / (icons_per_row * num_windows);
j = j % (icons_per_row * num_windows);
w = j / icons_per_row;
x = j % icons_per_row;
break;
default:
x=0; y=0; w=0;
break;
}
x=8+x*iconsize;
y=4+y*iconsize;
warn(DEBUG_DEBUG, "[%d] Tray icon %lx at %d %d,%d", i, icon->w, w, x, y);
if(icon->parent != iconwin[w]){
warn(DEBUG_DEBUG, "Reparenting %lx to %lx", icon->w, iconwin[w]);
XReparentWindow(display, icon->w, iconwin[w], x, y);
icon->parent = iconwin[w];
}
XMoveResizeWindow(display, icon->w, x, y, iconsize, iconsize);
XClearArea(display, icon->w, 0, 0, 0, 0, True);
XMapRaised(display, icon->w);
XTranslateCoordinates(display, icon->w, root, iconsize/2, iconsize/2, &icon->x, &icon->y, &dummy);
}
if(uncatch_BadWindow_errors(v)){
warn(DEBUG_INFO, "Tray icon %lx is invalid, removing and restarting layout", icon->w);
icon_remove(icon->w);
goto redo;
}
if(icon->mapped) i++;
icon = icon->next;
}
// XXX: if point_messages is true, can we re-point any notifications?
}
