diff options
Diffstat (limited to 'list.c')
| -rw-r--r-- | list.c | 271 |
1 files changed, 0 insertions, 271 deletions
@@ -1,271 +0,0 @@ -/* functions for handling the window list - * - * Copyright (C) 2000 Shawn Betts - * - * 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, 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. - * - * You should have received a copy of the GNU General Public License - * along with this software; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, - * Boston, MA 02111-1307 USA */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> - -#include "ratpoison.h" - -rp_window *rp_window_head, *rp_window_tail; -rp_window *rp_current_window; - -rp_window * -add_to_window_list (screen_info *s, Window w) -{ - rp_window *new_window; - - new_window = malloc (sizeof (rp_window)); - if (new_window == NULL) - { - fprintf (stderr, "list.c:add_to_window_list():Out of memory!\n"); - exit (EXIT_FAILURE); - } - new_window->w = w; - new_window->scr = s; - new_window->last_access = 0; - new_window->prev = NULL; - new_window->state = STATE_UNMAPPED; - new_window->number = -1; - new_window->named = 0; - - if ((new_window->name = malloc (strlen ("Unnamed") + 1)) == NULL) - { - fprintf (stderr, "list.c:add_to_window_list():Out of memory.\n"); - exit (EXIT_FAILURE); - } - strcpy (new_window->name, "Unnamed"); - - if (rp_window_head == NULL) - { - /* The list is empty. */ - rp_window_head = new_window; - rp_window_tail = new_window; - new_window->next = NULL; - return new_window; - } - - /* Add the window to the head of the list. */ - new_window->next = rp_window_head; - rp_window_head->prev = new_window; - rp_window_head = new_window; - - return new_window; -} - -/* Check to see if the window is already in our list of managed windows. */ -rp_window * -find_window (Window w) -{ - rp_window *cur; - - for (cur = rp_window_head; cur; cur = cur->next) - if (cur->w == w) return cur; - - return NULL; -} - -void -remove_from_window_list (rp_window *w) -{ - if (rp_window_head == w) rp_window_head = w->next; - if (rp_window_tail == w) rp_window_tail = w->prev; - - if (w->prev != NULL) w->prev->next = w->next; - if (w->next != NULL) w->next->prev = w->prev; - - /* set rp_current_window to NULL, so a dangling pointer is not - left. */ - if (rp_current_window == w) rp_current_window = NULL; - - free (w); -#ifdef DEBUG - printf ("Removed window from list.\n"); -#endif -} - -void -set_current_window (rp_window *win) -{ - rp_current_window = win; -} - -void -init_window_list () -{ - rp_window_head = rp_window_tail = NULL; - rp_current_window = NULL; -} - -void -next_window () -{ - if (rp_current_window != NULL) - { - rp_current_window = rp_current_window->next; - if (rp_current_window == NULL) - { - rp_current_window = rp_window_head; - } - if (rp_current_window->state == STATE_UNMAPPED) next_window (); - set_active_window (rp_current_window); - } -} - -void -prev_window () -{ - if (rp_current_window != NULL) - { - set_current_window (rp_current_window->prev); - if (rp_current_window == NULL) - { - rp_current_window = rp_window_tail; - } - if (rp_current_window->state == STATE_UNMAPPED) prev_window (); - set_active_window (rp_current_window); - } -} - -rp_window * -find_window_by_number (int n) -{ - rp_window *cur; - - for (cur=rp_window_head; cur; cur=cur->next) - { - if (cur->state != STATE_MAPPED) continue; - - if (n == cur->number) return cur; - } - - return NULL; -} - -/* A case insensitive strncmp. */ -static int -str_comp (char *s1, char *s2, int len) -{ - int i; - - for (i=0; i<len; i++) - if (toupper (s1[i]) != toupper (s2[i])) return 0; - - return 1; -} - -static rp_window * -find_window_by_name (char *name) -{ - rp_window *cur; - - for (cur=rp_window_head; cur; cur=cur->next) - { - if (str_comp (name, cur->name, strlen (name))) return cur; - } - - return NULL; -} - -void -goto_window_name (char *name) -{ - rp_window *win; - - if ((win = find_window_by_name (name)) == NULL) - { - return; - } - - rp_current_window = win; - set_active_window (rp_current_window); -} - -void -goto_window_number (int n) -{ - rp_window *win; - - if ((win = find_window_by_number (n)) == NULL) - { - return; - } - - rp_current_window = win; - set_active_window (rp_current_window); -} - -rp_window * -find_last_accessed_window () -{ - int last_access = 0; - rp_window *cur, *most_recent; - - /* Find the first mapped window */ - for (most_recent = rp_window_head; most_recent; most_recent=most_recent->next) - { - if (most_recent->state == STATE_MAPPED) break; - } - - /* If there are no mapped windows, don't bother with the next part */ - if (most_recent == NULL) return NULL; - - for (cur=rp_window_head; cur; cur=cur->next) - { - if (cur->last_access >= last_access - && cur != rp_current_window - && cur->state == STATE_MAPPED) - { - most_recent = cur; - last_access = cur->last_access; - } - } - - return most_recent; -} - -void -last_window () -{ - rp_current_window = find_last_accessed_window (); - set_active_window (rp_current_window); -} - -void -set_active_window (rp_window *rp_w) -{ - static int counter = 1; /* increments every time this function - is called. This way we can track - which window was last accessed. */ - - if (rp_w == NULL) return; - - counter++; - rp_w->last_access = counter; - - if (rp_w->scr->bar_is_raised) update_window_names (rp_w->scr); - - XSetInputFocus (dpy, rp_w->w, - RevertToPointerRoot, CurrentTime); - XRaiseWindow (dpy, rp_w->w); - - /* Make sure the program bar is always on the top */ - update_window_names (rp_w->scr); -} |