diff options
Diffstat (limited to 'src/console/consoled-workspace.c')
| -rw-r--r-- | src/console/consoled-workspace.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/console/consoled-workspace.c b/src/console/consoled-workspace.c new file mode 100644 index 0000000000..56344ef2cf --- /dev/null +++ b/src/console/consoled-workspace.c @@ -0,0 +1,168 @@ +/*-*- 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 <inttypes.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); +} |