openbox/actions.c (raw)
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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" #include "grab.h" #include "screen.h" #include "event.h" #include "config.h" #include "client.h" #include "openbox.h" #include "debug.h" #include "actions/all.h" 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* actions_build_act_from_string(const gchar *name); static ObActionsAct *interactive_act = NULL; static guint interactive_initial_state = 0; struct _ObActionsDefinition { guint ref; gchar *name; 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; action_all_startup(); } void actions_shutdown(gboolean reconfig) { actions_interactive_cancel_act(); 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, ObActionsDataSetupFunc setup, ObActionsDataFreeFunc free, ObActionsRunFunc run, ObActionsInteractiveInputFunc i_input, ObActionsInteractiveCancelFunc i_cancel) { GSList *it; ObActionsDefinition *def; g_assert(run != NULL); g_assert((i_input == NULL) == (i_cancel == NULL)); for (it = registered; it; it = g_slist_next(it)) { def = it->data; if (!g_ascii_strcasecmp(name, def->name)) /* already registered */ return FALSE; } def = g_new(ObActionsDefinition, 1); def->ref = 1; def->name = g_strdup(name); def->setup = setup; def->free = free; def->run = run; def->i_input = i_input; def->i_cancel = i_cancel; registered = g_slist_prepend(registered, def); 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); } } static ObActionsAct* actions_build_act_from_string(const gchar *name) { GSList *it; ObActionsDefinition *def = NULL; 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_string(const gchar *name) { ObActionsAct *act = NULL; if ((act = actions_build_act_from_string(name))) if (act->def->setup) act->options = act->def->setup(NULL, NULL, NULL); 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_build_act_from_string(name))) /* there is more stuff to parse here */ if (act->def->setup) act->options = act->def->setup(i, doc, node->xmlChildrenNode); 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 */ if (act->def->free) 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, guint state, gint x, gint y, gint button, ObFrameContext con, struct _ObClient *client) { data->uact = uact; data->state = state; data->x = x; data->y = y; data->button = button; data->context = con; data->client = client; } void actions_run_acts(GSList *acts, ObUserAction uact, guint state, gint x, gint y, gint button, ObFrameContext con, struct _ObClient *client) { GSList *it; /* Don't allow saving the initial state when running things from the menu */ if (uact == OB_USER_ACTION_MENU_SELECTION) state = 0; /* If x and y are < 0 then use the current pointer position */ if (x < 0 && y < 0) screen_pointer_pos(&x, &y); for (it = acts; it; it = g_slist_next(it)) { ObActionsData data; ObActionsAct *act = it->data; gboolean ok = TRUE; actions_setup_data(&data, uact, state, x, y, button, con, client); /* if they have the same run function, then we'll assume they are cooperating and not cancel eachother out */ if (!interactive_act || interactive_act->def->run != act->def->run) { if (actions_act_is_interactive(act)) { /* cancel the old one */ if (interactive_act) actions_interactive_cancel_act(); 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)) { if (actions_act_is_interactive(act)) actions_interactive_end_act(); } else { /* make sure its interactive if it returned TRUE */ g_assert(act->def->i_cancel && act->def->i_input); /* no actions are run after the interactive one */ break; } } } } gboolean actions_interactive_act_running(void) { return interactive_act != NULL; } void actions_interactive_cancel_act(void) { 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) { if (grab_keyboard()) { interactive_act = act; actions_act_ref(interactive_act); interactive_initial_state = state; /* if using focus_delay, stop the timer now so that focus doesn't go moving on us, which would kill the action */ event_halt_focus_delay(); return TRUE; } else return FALSE; } static void actions_interactive_end_act(void) { 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; } void actions_client_move(ObActionsData *data, gboolean start) { static gulong ignore_start = 0; if (start) ignore_start = event_start_ignore_all_enters(); else if (config_focus_follow && data->context != OB_FRAME_CONTEXT_CLIENT) { if (data->uact == OB_USER_ACTION_MOUSE_PRESS) { struct _ObClient *c; /* usually this is sorta redundant, but with a press action that moves windows our from under the cursor, the enter event will come as a GrabNotify which is ignored, so this makes a fake enter event don't do this if there is a grab on the pointer. enter events are ignored during a grab, so don't force fake ones when they should be ignored */ if ((c = client_under_pointer()) && c != data->client && !grab_on_pointer()) { ob_debug_type(OB_DEBUG_FOCUS, "Generating fake enter because we did a " "mouse-event action"); event_enter_client(c); } } else if (!data->button && !config_focus_under_mouse) event_end_ignore_all_enters(ignore_start); } } |