void
ShowTabMenu(int tab)
{
static char beenhere;
if (!beenhere) {
beenhere = 1;
#if FL_MAJOR_VERSION < 2
Fl::set_labeltype(FRAME_LABEL, frame_label_draw, frame_label_measure);
Fl::set_labeltype(TEXT_LABEL, label_draw, label_measure);
#endif
if (exit_flag) {
Fl_Menu_Item* m = other_menu_items+num_other_items-2;
m->label("Exit");
m->callback(exit_cb);
}
}
static Fl_Menu_Item* menu = 0;
static int arraysize = 0;
#if DESKTOPS
int one_desktop = !Desktop::first->next;
#endif
// count up how many items are on the menu:
int n = num_other_items;
#if WMX_MENU_ITEMS
load_wmx();
if (num_wmx) {
n -= 1; // delete "new xterm"
// add wmx items
int level = 0;
for (int i=0; i<num_wmx; i++) {
int nextlev = (i==num_wmx-1)?0:strspn(wmxlist[i+1], "/")-1;
if (nextlev < level) {
n += level-nextlev;
level = nextlev;
} else if (nextlev > level)
level++;
n++;
}
}
#endif
#if DESKTOPS
// count number of items per desktop in these variables:
int numsticky = 0;
Desktop* d;
for (d = Desktop::first; d; d = d->next) d->junk = 0;
#endif
// every frame contributes 1 item:
Frame* c;
for (c = Frame::first; c; c = c->next) {
if (c->state() == UNMAPPED || c->transient_for()) continue;
#if DESKTOPS
if (!c->desktop()) {
numsticky++;
} else {
c->desktop()->junk++;
}
#endif
n++;
}
#if DESKTOPS
if (!one_desktop) {
// add the sticky "desktop":
n += 2; if (!numsticky) n++;
if (Desktop::current()) {
n += numsticky;
Desktop::current()->junk += numsticky;
}
// every desktop contributes menu title, null terminator,
// and possible delete:
for (d = Desktop::first; d; d = d->next) {
n += 2; if (!d->junk) n++;
}
}
#endif
if (n > arraysize) {
delete[] menu;
menu = new Fl_Menu_Item[arraysize = n];
}
// build the menu:
n = 0;
const Fl_Menu_Item* preset = 0;
const Fl_Menu_Item* first_on_desk = 0;
#if DESKTOPS
if (one_desktop) {
#endif
for (c = Frame::first; c; c = c->next) {
if (c->state() == UNMAPPED || c->transient_for()) continue;
#if FL_MAJOR_VERSION < 2
init(menu[n],(char*)c);
menu[n].labeltype(FRAME_LABEL);
#else
init(menu[n],c->label());
#endif
menu[n].callback(frame_callback, c);
if (is_active_frame(c)) preset = menu+n;
n++;
}
if (n > 0) first_on_desk = menu;
#if DESKTOPS
} else for (d = Desktop::first; ; d = d->next) {
// this loop adds the "sticky" desktop last, when d==0
if (d == Desktop::current()) preset = menu+n;
init(menu[n], d ? d->name() : "Sticky");
menu[n].callback(desktop_cb, d);
menu[n].flags = FL_SUBMENU;
n++;
if (d && !d->junk) {
init(menu[n],"delete this desktop");
menu[n].callback(delete_desktop_cb, d);
n++;
} else if (!d && !numsticky) {
init(menu[n],"(empty)");
menu[n].callback_ = 0;
menu[n].deactivate();
n++;
} else {
if (d == Desktop::current()) first_on_desk = menu+n;
for (c = Frame::first; c; c = c->next) {
if (c->state() == UNMAPPED || c->transient_for()) continue;
if (c->desktop() == d || (!c->desktop() && d == Desktop::current())) {
init(menu[n],(char*)c);
#if FL_MAJOR_VERSION < 2
init(menu[n],(char*)c);
menu[n].labeltype(FRAME_LABEL);
#else
init(menu[n],c->label());
#endif
menu[n].callback(d == Desktop::current() ?
frame_callback : move_frame_callback, c);
if (d == Desktop::current() && is_active_frame(c)) preset = menu+n;
n++;
}
}
}
menu[n].label(0); n++; // terminator for submenu
if (!d) break;
}
#endif
// For ALT+Tab, move the selection forward or backward:
if (tab > 0 && first_on_desk) {
if (!preset)
preset = first_on_desk;
else {
preset++;
if (!preset->label() || preset->callback_ != frame_callback)
preset = first_on_desk;
}
} else if (tab < 0 && first_on_desk) {
if (preset && preset != first_on_desk)
preset--;
else {
// go to end of menu
preset = first_on_desk;
while (preset[1].label() && preset[1].callback_ == frame_callback)
preset++;
}
}
#if WMX_MENU_ITEMS
// put wmx-style commands above that:
if (num_wmx > 0) {
char* cmd;
int pathlen[MAX_NESTING_DEPTH];
int level = 0;
pathlen[0] = wmx_pathlen;
for (int i = 0; i < num_wmx; i++) {
cmd = wmxlist[i];
cmd += strspn(cmd, "/")-1;
init(menu[n], cmd+pathlen[level]);
#if FL_MAJOR_VERSION < 2
#if DESKTOPS
if (one_desktop)
#endif
if (!level)
menu[n].labeltype(TEXT_LABEL);
#endif
int nextlev = (i==num_wmx-1)?0:strspn(wmxlist[i+1], "/")-1;
if (nextlev < level) {
menu[n].callback(spawn_cb, cmd);
// Close 'em off
for (; level>nextlev; level--)
init(menu[++n], 0);
} else if (nextlev > level) {
// This should be made a submenu
pathlen[++level] = strlen(cmd)+1; // extra for next trailing /
menu[n].flags = FL_SUBMENU;
menu[n].callback((Fl_Callback*)0);
} else {
menu[n].callback(spawn_cb, cmd);
}
n++;
}
}
// put the fixed menu items at the bottom:
#if XTERM_MENU_ITEM
if (num_wmx) // if wmx commands, delete the built-in xterm item:
memcpy(menu+n, other_menu_items+1, sizeof(other_menu_items)-sizeof(Fl_Menu_Item));
else
#endif
#endif
memcpy(menu+n, other_menu_items, sizeof(other_menu_items));
#if FL_MAJOR_VERSION < 2
#if DESKTOPS
if (one_desktop)
#endif
// fix the menus items so they are indented to align with window names:
while (menu[n].label()) menu[n++].labeltype(TEXT_LABEL);
#endif
const Fl_Menu_Item* picked =
menu->popup(Fl::event_x(), Fl::event_y(), 0, preset);
#if FL_MAJOR_VERSION < 2
if (picked && picked->callback()) picked->do_callback(0);
#endif
}
