354 lines
8.6 KiB
C
354 lines
8.6 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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static const char cvs_ident[] = "$Id$";
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#include <stdio.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <dirent.h>
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#include <unistd.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 DATA_ROOT EROOT "/epplet_data/E-Magic"
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Epplet_gadget close_button, cfg_button, picture, label;
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Epplet_gadget cfg_tb_image, cfg_tb_delay, cfg_tb_ans_file;
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unsigned long idx = 0, cnt = 0;
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double delay = 2.0;
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char *image = NULL, *ans_file, **answers = NULL;
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Window config_win = None;
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int w = 6, h = 3;
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unsigned char focus = 0;
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static void button_click_cb(void *data);
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static void button_show_cb(void *data);
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static void close_cb(void *data);
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static void in_cb(void *data, Window w);
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static void out_cb(void *data, Window w);
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static int delete_cb(void *data, Window win);
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static void apply_config(void);
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static void ok_cb(void *data);
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static void apply_cb(void *data);
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static void cancel_cb(void *data);
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static void config_cb(void *data);
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static unsigned long parse_answers(char *path);
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static void parse_config(void);
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static void
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button_click_cb(void *data)
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{
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unsigned long last_idx = idx;
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do {
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idx = (unsigned long) (cnt * ((float) rand()) / (RAND_MAX + 1.0));
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if (idx >= cnt) {
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/********** FIXME ***********/
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fprintf(stderr, "Eek!\n");
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fflush(stderr);
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idx = last_idx;
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}
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} while (idx == last_idx);
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Epplet_gadget_hide(picture);
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Epplet_gadget_hide(close_button);
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Epplet_gadget_hide(cfg_button);
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Epplet_change_label(label, answers[idx]);
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Epplet_gadget_show(label);
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Epplet_timer(button_show_cb, NULL, delay, "SHOW_BUTTON");
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return;
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data = NULL;
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}
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static void
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button_show_cb(void *data)
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{
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Epplet_gadget_hide(label);
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Epplet_gadget_show(picture);
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if (focus) {
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Epplet_gadget_show(close_button);
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Epplet_gadget_show(cfg_button);
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}
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return;
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data = NULL;
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}
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static void
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close_cb(void *data)
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{
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Epplet_unremember();
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Esync();
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exit(0);
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data = NULL;
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}
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static void
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in_cb(void *data, Window w)
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{
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if (w == Epplet_get_main_window()) {
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Epplet_gadget_show(close_button);
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Epplet_gadget_show(cfg_button);
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}
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focus = 1;
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return;
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data = NULL;
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}
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static void
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out_cb(void *data, Window w)
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{
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if (w == Epplet_get_main_window()) {
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Epplet_gadget_hide(close_button);
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Epplet_gadget_hide(cfg_button);
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}
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focus = 0;
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return;
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data = NULL;
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}
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static int
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delete_cb(void *data, Window win)
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{
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config_win = None;
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return 1;
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win = (Window) 0;
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data = NULL;
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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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char *s;
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s = Epplet_textbox_contents(cfg_tb_image);
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if (*s && strcmp(s, image)) {
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Epplet_modify_config("image", s);
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image = Epplet_query_config("image");
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Epplet_change_button_image(picture, image);
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}
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s = Epplet_textbox_contents(cfg_tb_ans_file);
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if (*s && strcmp(s, ans_file) && parse_answers(s)) {
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Epplet_modify_config("answers", s);
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ans_file = Epplet_query_config("answers");
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}
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s = Epplet_textbox_contents(cfg_tb_delay);
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if (*s) {
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delay = atof(s);
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if (delay) {
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Epplet_modify_config("delay", s);
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} else {
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delay = 2.0;
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}
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}
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}
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static void
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ok_cb(void *data)
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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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return;
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data = NULL;
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}
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static void
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apply_cb(void *data)
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{
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apply_config();
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return;
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data = NULL;
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}
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static void
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cancel_cb(void *data)
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{
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Epplet_window_destroy(config_win);
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config_win = None;
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return;
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data = NULL;
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}
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static void
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config_cb(void *data)
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{
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char buff[128];
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if (config_win) {
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return;
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}
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config_win = Epplet_create_window_config(300, 160, "E-Magic Configuration", ok_cb, NULL, apply_cb, NULL, cancel_cb, NULL);
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Epplet_gadget_show(Epplet_create_label(4, 4, "Path to Image:", 2));
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Epplet_gadget_show(cfg_tb_image = Epplet_create_textbox(NULL, image, 4, 18, 292, 20, 2, NULL, NULL));
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Epplet_gadget_show(Epplet_create_label(4, 50, "Path to Answers File:", 2));
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Epplet_gadget_show(cfg_tb_ans_file = Epplet_create_textbox(NULL, ans_file, 4, 64, 292, 20, 2, NULL, NULL));
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sprintf(buff, "%3.2f", delay);
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Epplet_gadget_show(Epplet_create_label(4, 96, "Show answer for how many seconds?", 2));
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Epplet_gadget_show(cfg_tb_delay = Epplet_create_textbox(NULL, buff, 4, 110, 192, 20, 2, NULL, NULL));
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Epplet_window_show(config_win);
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Epplet_window_pop_context();
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return;
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data = NULL;
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}
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/* chomp() removes leading and trailing whitespace/quotes from a string */
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static char *
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chomp(char *s)
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{
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register char *front, *back;
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for (front = s; *front && isspace(*front); front++);
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for (back = s + strlen(s) - 1; *back && isspace(*back) && back > front; back--);
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*(++back) = 0;
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if (front != s) {
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memmove(s, front, back - front + 1);
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}
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return (s);
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}
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static unsigned long
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parse_answers(char *path)
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{
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char buff[1024];
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FILE *fp;
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unsigned char done = 0;
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unsigned long len;
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fp = fopen(path, "r");
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if (fp == NULL) {
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return 0;
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}
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for (; !done; idx++) {
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for (; !(done = !(fgets(buff, sizeof(buff), fp))); ) {
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/* First, skip any leading lines of whitespace. */
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chomp(buff);
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if (*buff) {
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break;
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}
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}
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if (done) {
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break;
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}
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if (cnt) {
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answers = (char **) realloc(answers, sizeof(char *) * (++cnt));
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} else {
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cnt = 1;
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answers = (char **) malloc(sizeof(char *));
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}
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len = strlen(buff) + 1;
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answers[idx] = (char *) malloc(len);
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strcpy(answers[idx], buff);
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for (; !(done = !(fgets(buff, sizeof(buff), fp))); ) {
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/* Now, add all lines up to the next all-whitespace line. */
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chomp(buff);
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if (!(*buff)) {
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break;
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}
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len += strlen(buff) + 1;
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answers[idx] = (char *) realloc(answers[idx], len);
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strcat(answers[idx], "\n");
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strcat(answers[idx], buff);
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}
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}
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fclose(fp);
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return (cnt);
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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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char buff[1024], *s;
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image = Epplet_query_config_def("image", DATA_ROOT "/8ball.png");
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ans_file = Epplet_query_config_def("answers", DATA_ROOT "/answers.txt");
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if (!parse_answers(ans_file) && !parse_answers(ans_file = DATA_ROOT "/answers.txt")) {
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/* Couldn't find the answers. Exit. */
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Esnprintf(buff, sizeof(buff), "E-Magic: Missing/invalid answers file \"%s\"", ans_file);
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Epplet_dialog_ok(buff);
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Esync();
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exit(-1);
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}
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s = Epplet_query_config("delay");
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if (s != NULL) {
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delay = atof(s);
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} else {
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Epplet_add_config("delay", "2.0");
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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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srand(getpid() ^ time(NULL));
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atexit(Epplet_cleanup);
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Epplet_Init("E-Magic", "0.1", "Enlightenment Magic Eight Ball Epplet", w, h, argc, argv, 0);
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Epplet_load_config();
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parse_config();
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label = Epplet_create_label(6, 6, "", 2);
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Epplet_gadget_show(picture = Epplet_create_image_button(image, 3, 3, ((w * 16) - 6), ((h * 16) - 6), button_click_cb, NULL));
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close_button = Epplet_create_std_button("CLOSE", 3, 3, close_cb, NULL);
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cfg_button = Epplet_create_std_button("CONFIGURE", ((w * 16) - 15), 3, config_cb, NULL);
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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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Epplet_show();
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Epplet_Loop();
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return 0;
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}
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