373 lines
9.5 KiB
C
373 lines
9.5 KiB
C
/*
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* Copyright (C) 1999-2000, Michael Jennings
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <signal.h>
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#include "config.h"
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#include "epplet.h"
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#if 0
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#define D(x) do {printf("%10s | %7d: [debug] ", __FILE__, __LINE__); printf x; fflush(stdout);} while (0)
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#else
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#define D(x) ((void) 0)
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#endif
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#define BEGMATCH(a, b) (!strncasecmp((a), (b), (sizeof(b) - 1)))
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#define NONULL(x) ((x) ? (x) : (""))
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#define PREV_HACK() do {if (idx == 1) idx = hack_cnt - 1; else if (idx == 0) idx = hack_cnt - 2; else idx -= 2;} while (0)
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#define CUR_HACK() ((idx == 0) ? (hack_cnt - 1) : (idx - 1))
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#define NEXT_HACK() ((void) 0)
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#define INC_HACK() do {idx++; if (idx == hack_cnt) idx = 0;} while (0)
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#define DEC_HACK() do {if (idx == 0) idx = hack_cnt - 1; else idx--;} while (0)
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static Epplet_gadget close_button, prev_button, next_button, zoom_button,
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cfg_button, lock_button, draw_area;
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static Epplet_gadget cfg_tb_delay, *cfg_tb_hacks;
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static Window config_win = None;
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static unsigned long idx = 0, hack_cnt = 0;
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static double delay;
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static char **hacks = NULL;
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static pid_t hack_pid = -1;
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static void child_cb(void *data, int pid, int exit_code);
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static void
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start_hack(char *hack)
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{
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char buff[1024];
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Esnprintf(buff, sizeof(buff), "%s -window-id %ld", hack,
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Epplet_get_drawingarea_window(draw_area));
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Epplet_register_child_handler(child_cb, NULL);
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hack_pid = Epplet_spawn_command(buff);
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}
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static void
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stop_hack(void)
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{
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if (hack_pid != -1)
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{
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kill(hack_pid, SIGTERM);
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}
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hack_pid = -1;
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}
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static void
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change_hack(void *data __UNUSED__)
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{
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stop_hack();
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start_hack(hacks[idx]);
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INC_HACK();
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Epplet_timer(change_hack, NULL, delay, "CHANGE_HACK");
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}
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static void
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child_cb(void *data __UNUSED__, int pid, int exit_code)
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{
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if (pid == hack_pid)
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{
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fprintf(stderr, "E-Xss: Child process exited with return code %d\n",
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exit_code);
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Epplet_remove_timer("CHANGE_HACK");
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Epplet_timer(change_hack, NULL, 0.1, "CHANGE_HACK");
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}
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}
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static void
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close_cb(void *data __UNUSED__)
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{
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stop_hack();
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Epplet_unremember();
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Esync();
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exit(0);
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}
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static void
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zoom_cb(void *data __UNUSED__)
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{
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Epplet_spawn_command(hacks[CUR_HACK()]);
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}
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static void
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play_cb(void *data)
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{
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int op = (int)(long)data;
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switch (op)
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{
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case -1:
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/* Previous hack */
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PREV_HACK();
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change_hack(NULL);
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break;
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case 1:
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/* Next hack */
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NEXT_HACK();
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change_hack(NULL);
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break;
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default:
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break;
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}
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}
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static void
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in_cb(void *data __UNUSED__, Window w)
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{
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if (w == Epplet_get_main_window())
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{
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/*Epplet_gadget_hide(draw_area); */
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Epplet_gadget_show(close_button);
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Epplet_gadget_show(zoom_button);
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Epplet_gadget_show(prev_button);
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Epplet_gadget_show(next_button);
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Epplet_gadget_show(cfg_button);
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Epplet_gadget_show(lock_button);
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}
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}
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static void
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out_cb(void *data __UNUSED__, Window w)
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{
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if (w == Epplet_get_main_window())
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{
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/*Epplet_gadget_show(draw_area); */
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Epplet_gadget_hide(close_button);
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Epplet_gadget_hide(zoom_button);
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Epplet_gadget_hide(prev_button);
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Epplet_gadget_hide(next_button);
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Epplet_gadget_hide(cfg_button);
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Epplet_gadget_hide(lock_button);
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}
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}
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static int
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delete_cb(void *data __UNUSED__, Window win __UNUSED__)
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{
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config_win = None;
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return 1;
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}
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static void
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apply_config(void)
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{
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const char *s;
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char buff[1024];
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unsigned long i, j;
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strcpy(buff, Epplet_textbox_contents(cfg_tb_delay));
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if ((delay = atof(buff)) != 0.0)
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{
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Epplet_modify_config("delay", buff);
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}
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else
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{
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delay = atof(Epplet_query_config_def("delay", "60.0"));
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}
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for (i = 0, j = 0; i < hack_cnt; i++)
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{
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s = Epplet_textbox_contents(cfg_tb_hacks[i]);
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if (strlen(s))
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{
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Esnprintf(buff, sizeof(buff), "hack_%lu", j);
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Epplet_modify_config(buff, s);
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hacks[j++] = (char *)Epplet_query_config(buff);
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}
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}
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hack_cnt = j;
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if (idx >= hack_cnt)
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{
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idx = 0;
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}
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hacks = (char **)realloc(hacks, sizeof(char *) * (hack_cnt));
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DEC_HACK();
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change_hack(NULL);
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}
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static void
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ok_cb(void *data __UNUSED__)
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{
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apply_config();
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Epplet_save_config();
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Epplet_window_destroy(config_win);
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config_win = None;
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free(cfg_tb_hacks);
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}
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static void
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apply_cb(void *data __UNUSED__)
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{
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apply_config();
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}
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static void
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cancel_cb(void *data __UNUSED__)
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{
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Epplet_window_destroy(config_win);
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config_win = None;
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free(cfg_tb_hacks);
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}
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static void
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config_cb(void *data __UNUSED__)
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{
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char buff[128];
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unsigned int h, y, i;
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if (config_win)
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return;
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hacks = (char **)realloc(hacks, sizeof(char *) * (++hack_cnt));
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cfg_tb_hacks = (Epplet_gadget *) malloc(sizeof(Epplet_gadget) * hack_cnt);
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memset(cfg_tb_hacks, 0, sizeof(Epplet_gadget) * hack_cnt);
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h = 70 + (hack_cnt * 41);
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config_win =
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Epplet_create_window_config(300, h, "E-Xss Configuration", ok_cb, NULL,
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apply_cb, NULL, cancel_cb, NULL);
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sprintf(buff, "%3.2f", delay);
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Epplet_gadget_show(Epplet_create_label
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(4, 4, "Delay between images (seconds):", 2));
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Epplet_gadget_show(cfg_tb_delay =
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Epplet_create_textbox(NULL, buff, 4, 18, 292, 20, 2, NULL,
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NULL));
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for (i = 0, y = 50; i < hack_cnt; i++)
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{
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Esnprintf(buff, sizeof(buff), "Hack #%d:", i);
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Epplet_gadget_show(Epplet_create_label(4, y, buff, 2));
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y += 14;
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Epplet_gadget_show(cfg_tb_hacks[i] =
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Epplet_create_textbox(NULL,
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((i ==
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hack_cnt -
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1) ? NULL : hacks[i]), 4, y,
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292, 20, 2, NULL, NULL));
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y += 27;
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}
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Epplet_window_show(config_win);
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Epplet_window_pop_context();
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}
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static void
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lock_cb(void *data __UNUSED__)
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{
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Epplet_spawn_command("xscreensaver-command -lock");
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}
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static void
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parse_config(void)
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{
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delay = atof(Epplet_query_config_def("delay", "60.0"));
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hacks = (char **)malloc(sizeof(char *) * (hack_cnt + 1));
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for (; 1; hack_cnt++)
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{
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const char *tmp;
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char buff[40];
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Esnprintf(buff, sizeof(buff), "hack_%lu", hack_cnt);
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tmp = Epplet_query_config(buff);
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if (!tmp)
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{
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break;
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}
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hacks = (char **)realloc(hacks, sizeof(char *) * (hack_cnt + 1));
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hacks[hack_cnt] = (char *)tmp;
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}
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if (hack_cnt == 0)
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{
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hack_cnt = 3;
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hacks = (char **)realloc(hacks, sizeof(char *) * (hack_cnt));
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hacks[0] = (char *)"kaleidescope";
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hacks[1] = (char *)"rorschach";
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hacks[2] = (char *)"qix -solid -delay 0 -segments 100";
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Epplet_add_config("hack_0", "kaleidescope");
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Epplet_add_config("hack_1", "strange");
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Epplet_add_config("hack_2", "qix -solid -delay 50 -segments 100");
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Epplet_add_config("hack_3", "demon");
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Epplet_add_config("hack_4", "bubbles");
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Epplet_add_config("hack_5", "xflame");
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Epplet_add_config("hack_6", "compass");
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Epplet_add_config("hack_7", "drift");
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Epplet_add_config("hack_8", "flow");
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Epplet_add_config("hack_9", "galaxy");
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Epplet_add_config("hack_10", "hypercube");
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Epplet_add_config("hack_11", "ifs");
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Epplet_add_config("hack_12", "kumppa -delay 20000");
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Epplet_add_config("hack_13", "laser");
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Epplet_add_config("hack_14", "swirl");
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Epplet_add_config("hack_15", "t3d");
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Epplet_add_config("hack_16", "triangle");
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Epplet_add_config("hack_17", "worm");
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}
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}
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int
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main(int argc, char **argv)
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{
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Epplet_adjust_priority(10);
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atexit(Epplet_cleanup);
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Epplet_Init("E-Xss", "0.2", "Enlightenment Xscreensaver Epplet", 3, 3, argc,
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argv, 0);
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Epplet_load_config();
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parse_config();
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draw_area = Epplet_create_drawingarea(3, 3, 43, 43);
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Epplet_gadget_show(draw_area);
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close_button =
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Epplet_create_button(NULL, NULL, 3, 3, 0, 0, "CLOSE", 0, NULL, close_cb,
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NULL);
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cfg_button = Epplet_create_std_button("CONFIGURE", 33, 3, config_cb, NULL);
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lock_button =
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Epplet_create_button("Lock", NULL, 2, 17, 44, 13, 0, 0, NULL, lock_cb,
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NULL);
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prev_button =
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Epplet_create_button(NULL, NULL, 3, 33, 0, 0, "PREVIOUS", 0, NULL,
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play_cb, (void *)(-1));
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zoom_button =
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Epplet_create_button(NULL, NULL, 18, 33, 0, 0, "EJECT", 0, NULL, zoom_cb,
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NULL);
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next_button =
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Epplet_create_button(NULL, NULL, 33, 33, 0, 0, "NEXT", 0, NULL, play_cb,
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(void *)(1));
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Epplet_show();
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Epplet_register_focus_in_handler(in_cb, NULL);
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Epplet_register_focus_out_handler(out_cb, NULL);
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Epplet_register_delete_event_handler(delete_cb, NULL);
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change_hack(NULL);
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Epplet_Loop();
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return 0;
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}
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