*/
#include "actions.h"
+#include "gettext.h"
+#include "grab.h"
-static void actions_unregister(ObActionsDefinition *def);
+static void actions_definition_ref(ObActionsDefinition *def);
+static void actions_definition_unref(ObActionsDefinition *def);
+static gboolean actions_interactive_begin_act(ObActionsAct *act, guint state);
+static void actions_interactive_end_act();
+
+static ObActionsAct *interactive_act = NULL;
+static guint interactive_initial_state = 0;
struct _ObActionsDefinition {
+ guint ref;
+
gchar *name;
- gboolean interactive;
+ ObActionsType type;
- ObActionsDataParseFunc parse;
+ ObActionsDataSetupFunc setup;
ObActionsDataFreeFunc free;
ObActionsRunFunc run;
+ ObActionsInteractiveInputFunc i_input;
+ ObActionsInteractiveCancelFunc i_cancel;
+};
- gpointer action_data;
+struct _ObActionsAct {
+ guint ref;
+
+ ObActionsDefinition *def;
+ gpointer options;
};
static GSList *registered = NULL;
/* free all the registered actions */
while (registered) {
- actions_unregister(registered->data);
+ actions_definition_unref(registered->data);
registered = g_slist_delete_link(registered, registered);
}
}
gboolean actions_register(const gchar *name,
- gboolean interactive,
+ ObActionsType type,
ObActionsDataSetupFunc setup,
- ObActionsDataParseFunc parse,
ObActionsDataFreeFunc free,
- ObActionsRunFunc run)
+ ObActionsRunFunc run,
+ ObActionsInteractiveInputFunc i_input,
+ ObActionsInteractiveCancelFunc i_cancel)
{
GSList *it;
ObActionsDefinition *def;
return FALSE;
}
+ g_assert((i_input == NULL) == (i_cancel == NULL));
+
def = g_new(ObActionsDefinition, 1);
+ def->ref = 1;
def->name = g_strdup(name);
- def->interactive = interactive;
- def->parse = parse;
+ def->type = type;
+ def->setup = setup;
def->free = free;
def->run = run;
- def->action_data = setup();
+ def->i_input = i_input;
+ def->i_cancel = i_cancel;
return TRUE;
}
-static void actions_unregister(ObActionsDefinition *def)
+static void actions_definition_ref(ObActionsDefinition *def)
{
- if (def) {
- def->free(def->action_data);
+ ++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;
+ gboolean ok = TRUE;
+
+ 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();
+ }
+
+ if (actions_act_is_interactive(act) &&
+ (!interactive_act || interactive_act->def != act->def))
+ {
+ ok = actions_interactive_begin_act(act, state);
+ }
+
+ /* fire the action's run function with this data */
+ if (ok) {
+ if (!act->def->run(&data, act->options))
+ actions_interactive_end_act();
+ else
+ break; /* no actions are run after the interactive one */
+ }
+ }
+}
+
+gboolean actions_interactive_act_running()
+{
+ return interactive_act != NULL;
+}
+
+void actions_interactive_cancel_act()
+{
+ if (interactive_act) {
+ interactive_act->def->i_cancel(interactive_act->options);
+ actions_interactive_end_act();
+ }
+}
+
+static gboolean actions_interactive_begin_act(ObActionsAct *act, guint state)
+{
+ /* cancel the old one */
+ if (interactive_act)
+ actions_interactive_cancel_act();
+
+ if (grab_keyboard()) {
+ interactive_act = act;
+ actions_act_ref(interactive_act);
+
+ interactive_initial_state = state;
+ return TRUE;
+ }
+ else
+ return FALSE;
+}
+
+static void actions_interactive_end_act()
+{
+ if (interactive_act) {
+ ungrab_keyboard();
+
+ actions_act_unref(interactive_act);
+ interactive_act = NULL;
+ }
+}
+
+gboolean actions_interactive_input_event(XEvent *e)
+{
+ gboolean used = FALSE;
+ if (interactive_act) {
+ if (!interactive_act->def->i_input(interactive_initial_state, e,
+ interactive_act->options, &used))
+ {
+ used = TRUE; /* if it cancelled the action then it has to of
+ been used */
+ actions_interactive_end_act();
+ }
+ }
+ return used;
+}