/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2014 David Herrmann <dh.herrmann@gmail.com> systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <errno.h> #include <stdlib.h> #include "consoled.h" #include "grdev.h" #include "idev.h" #include "list.h" #include "macro.h" #include "util.h" int workspace_new(Workspace **out, Manager *m) { _cleanup_(workspace_unrefp) Workspace *w = NULL; int r; assert(out); w = new0(Workspace, 1); if (!w) return -ENOMEM; w->ref = 1; w->manager = m; LIST_PREPEND(workspaces_by_manager, m->workspace_list, w); r = terminal_new(&w->current, w); if (r < 0) return r; *out = w; w = NULL; return 0; } static void workspace_cleanup(Workspace *w) { Terminal *t; assert(w); assert(w->ref == 0); assert(w->manager); assert(!w->session_list); w->current = NULL; while ((t = w->terminal_list)) terminal_free(t); LIST_REMOVE(workspaces_by_manager, w->manager->workspace_list, w); free(w); } Workspace *workspace_ref(Workspace *w) { assert(w); ++w->ref; return w; } Workspace *workspace_unref(Workspace *w) { if (!w) return NULL; assert(w->ref > 0); if (--w->ref == 0) workspace_cleanup(w); return NULL; } Workspace *workspace_attach(Workspace *w, Session *s) { assert(w); assert(s); LIST_PREPEND(sessions_by_workspace, w->session_list, s); workspace_refresh(w); return workspace_ref(w); } Workspace *workspace_detach(Workspace *w, Session *s) { assert(w); assert(s); assert(s->active_ws == w); LIST_REMOVE(sessions_by_workspace, w->session_list, s); workspace_refresh(w); return workspace_unref(w); } void workspace_refresh(Workspace *w) { uint32_t width, height; Terminal *t; Session *s; Display *d; assert(w); width = 0; height = 0; /* find out minimum dimension of all attached displays */ LIST_FOREACH(sessions_by_workspace, s, w->session_list) { LIST_FOREACH(displays_by_session, d, s->display_list) { assert(d->width > 0 && d->height > 0); if (width == 0 || d->width < width) width = d->width; if (height == 0 || d->height < height) height = d->height; } } /* either both are zero, or none is zero */ assert(!(!width ^ !height)); /* update terminal-sizes if dimensions changed */ if (w->width != width || w->height != height) { w->width = width; w->height = height; LIST_FOREACH(terminals_by_workspace, t, w->terminal_list) terminal_resize(t); workspace_dirty(w); } } void workspace_dirty(Workspace *w) { Session *s; assert(w); LIST_FOREACH(sessions_by_workspace, s, w->session_list) session_dirty(s); } void workspace_feed(Workspace *w, idev_data *data) { assert(w); assert(data); terminal_feed(w->current, data); } bool workspace_draw(Workspace *w, const grdev_display_target *target) { assert(w); assert(target); return terminal_draw(w->current, target); }