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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
actions.h for the Openbox window manager
Copyright (c) 2007 Dana Jansens
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
See the COPYING file for a copy of the GNU General Public License.
*/
#include "actions.h"
#include "gettext.h"
static void actions_definition_ref(ObActionsDefinition *def);
static void actions_definition_unref(ObActionsDefinition *def);
struct _ObActionsDefinition {
guint ref;
gchar *name;
ObActionsType type;
ObActionsDataSetupFunc setup;
ObActionsDataFreeFunc free;
ObActionsRunFunc run;
ObActionsInteractiveInputFunc i_input;
ObActionsInteractiveCancelFunc i_cancel;
};
struct _ObActionsAct {
guint ref;
ObActionsDefinition *def;
gpointer options;
};
static GSList *registered = NULL;
void actions_startup(gboolean reconfig)
{
if (reconfig) return;
}
void actions_shutdown(gboolean reconfig)
{
if (reconfig) return;
/* free all the registered actions */
while (registered) {
actions_definition_unref(registered->data);
registered = g_slist_delete_link(registered, registered);
}
}
gboolean actions_register(const gchar *name,
ObActionsType type,
ObActionsDataSetupFunc setup,
ObActionsDataFreeFunc free,
ObActionsRunFunc run,
ObActionsInteractiveInputFunc i_input,
ObActionsInteractiveCancelFunc i_cancel)
{
GSList *it;
ObActionsDefinition *def;
for (it = registered; it; it = g_slist_next(it)) {
def = it->data;
if (!g_ascii_strcasecmp(name, def->name)) /* already registered */
return FALSE;
}
g_assert((i_input == NULL) == (i_cancel == NULL));
def = g_new(ObActionsDefinition, 1);
def->ref = 1;
def->name = g_strdup(name);
def->type = type;
def->setup = setup;
def->free = free;
def->run = run;
def->i_input = i_input;
def->i_cancel = i_cancel;
return TRUE;
}
static void actions_definition_ref(ObActionsDefinition *def)
{
++def->ref;
}
static void actions_definition_unref(ObActionsDefinition *def)
{
if (def && --def->ref == 0) {
g_free(def->name);
g_free(def);
}
}
ObActionsAct* actions_parse_string(const gchar *name)
{
GSList *it;
ObActionsDefinition *def;
ObActionsAct *act = NULL;
/* find the requested action */
for (it = registered; it; it = g_slist_next(it)) {
def = it->data;
if (!g_ascii_strcasecmp(name, def->name))
break;
def = NULL;
}
/* if we found the action */
if (def) {
act = g_new(ObActionsAct, 1);
act->ref = 1;
act->def = def;
actions_definition_ref(act->def);
act->options = NULL;
} else
g_message(_("Invalid action '%s' requested. No such action exists."),
name);
return act;
}
ObActionsAct* actions_parse(ObParseInst *i,
xmlDocPtr doc,
xmlNodePtr node)
{
gchar *name;
ObActionsAct *act = NULL;
if (parse_attr_string("name", node, &name)) {
if ((act = actions_parse_string(name)))
/* there is more stuff to parse here */
act->options = act->def->setup(i, doc, node->children);
g_free(name);
}
return act;
}
gboolean actions_act_is_interactive(ObActionsAct *act)
{
return act->def->i_cancel != NULL;
}
void actions_act_ref(ObActionsAct *act)
{
++act->ref;
}
void actions_act_unref(ObActionsAct *act)
{
if (act && --act->ref == 0) {
/* free the action specific options */
act->def->free(act->options);
/* unref the definition */
actions_definition_unref(act->def);
g_free(act);
}
}
static void actions_setup_data(ObActionsData *data,
ObUserAction uact,
Time time,
guint state,
gint x,
gint y)
{
data->any.uact = uact;
data->any.time = time;
data->any.state = state;
data->any.x = x;
data->any.y = y;
}
void actions_run_acts(GSList *acts,
ObUserAction uact,
Time time,
guint state,
gint x,
gint y,
ObFrameContext con,
struct _ObClient *client)
{
GSList *it;
for (it = acts; it; it = g_slist_next(it)) {
ObActionsData data;
ObActionsAct *act = it->data;
data.type = act->def->type;
actions_setup_data(&data, uact, time, state, x, y);
switch (data.type) {
case OB_ACTION_TYPE_GLOBAL:
break;
case OB_ACTION_TYPE_CLIENT:
data.client.context = con;
data.client.c = client;
break;
default:
g_assert_not_reached();
}
/* fire the action's run function with this data */
act->def->run(&data, act->options);
}
}
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