1 /* 2 * Copyright 2007, Intel Corporation 3 * 4 * This file is part of PowerTOP 5 * 6 * This program file is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; version 2 of the License. 9 * 10 * This program is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program in a file named COPYING; if not, write to the 17 * Free Software Foundation, Inc., 18 * 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301 USA 20 * 21 * Authors: 22 * Arjan van de Ven <arjan (at) linux.intel.com> 23 */ 24 25 #include <unistd.h> 26 #include <stdio.h> 27 #include <stdlib.h> 28 #include <string.h> 29 #include <stdint.h> 30 #include <sys/types.h> 31 #include <dirent.h> 32 33 #include "powertop.h" 34 35 36 37 char suggestion_key; 38 suggestion_func *suggestion_activate; 39 40 struct suggestion; 41 42 struct suggestion { 43 struct suggestion *next; 44 45 char *string; 46 int weight; 47 48 char key; 49 char *keystring; 50 51 suggestion_func *func; 52 }; 53 54 55 static struct suggestion *suggestions; 56 static int total_weight; 57 58 static char previous[1024]; 59 60 61 void reset_suggestions(void) 62 { 63 struct suggestion *ptr; 64 ptr = suggestions; 65 while (ptr) { 66 struct suggestion *next; 67 next = ptr->next; 68 free(ptr->string); 69 free(ptr->keystring); 70 free(ptr); 71 ptr = next; 72 } 73 suggestions = NULL; 74 strcpy(status_bar_slots[8],""); 75 suggestion_key = 255; 76 suggestion_activate = NULL; 77 total_weight = 0; 78 } 79 80 void add_suggestion(char *text, int weight, char key, char *keystring, suggestion_func *func) 81 { 82 struct suggestion *new; 83 84 if (!text) 85 return; 86 87 new = malloc(sizeof(struct suggestion)); 88 if (!new) 89 return; 90 memset(new, 0, sizeof(struct suggestion)); 91 new->string = strdup(text); 92 new->weight = weight; 93 new->key = key; 94 if (keystring) 95 new->keystring = strdup(keystring); 96 new->next = suggestions; 97 new->func = func; 98 suggestions = new; 99 total_weight += weight; 100 } 101 102 void pick_suggestion(void) 103 { 104 int value, running = 0; 105 struct suggestion *ptr; 106 int weight; 107 108 strcpy(status_bar_slots[8],""); 109 suggestion_key = 255; 110 suggestion_activate = NULL; 111 112 if (total_weight==0 || suggestions==NULL) { 113 /* zero suggestions */ 114 show_suggestion(""); 115 return; 116 } 117 118 weight = total_weight; 119 if (strlen(previous) && displaytime > 0.0) 120 weight+=50; 121 value = rand() % weight; 122 ptr = suggestions; 123 while (ptr) { 124 running += ptr->weight; 125 if (strcmp(ptr->string, previous)==0 && displaytime > 0.0) 126 running += 50; 127 if (running > value) { 128 if (ptr->keystring) 129 strncpy(status_bar_slots[8],ptr->keystring, 40); 130 suggestion_key = ptr->key; 131 suggestion_activate = ptr->func; 132 show_suggestion(ptr->string); 133 if (strcmp(ptr->string, previous)) { 134 displaytime = 30.0; 135 strcpy(previous, ptr->string); 136 } 137 return; 138 } 139 ptr = ptr->next; 140 } 141 show_suggestion(""); 142 memset(previous, 0, sizeof(previous)); 143 displaytime = -1.0; 144 } 145 146 void print_all_suggestions(void) 147 { 148 struct suggestion *ptr; 149 150 for (ptr = suggestions; ptr; ptr = ptr->next) 151 printf("\n%s\n", ptr->string); 152 } 153
