843 lines
19 KiB
C
843 lines
19 KiB
C
/*--------------------------------*/
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/* a simple dockapp library */
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/* made from scratch */
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/*--------------------------------*/
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/*
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functions were written by following People:
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--- linked list
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Kresten Krab Thorup
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Alfredo K. Kojima
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--- built-in Dock module for WindowMaker
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Alfredo K. Kojima
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--- wmgeneral (taken from wmppp)
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Martijn Pieterse (pieterse@xs4all.nl)
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--- prefs routines
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Tomasz M±ka
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <X11/Xlib.h>
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#include <X11/xpm.h>
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#include <X11/extensions/shape.h>
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#include "docklib.h"
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/* Return a cons cell produced from (head . tail) */
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INLINE LinkedList*
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list_cons(void* head, LinkedList* tail)
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{
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LinkedList* cell;
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cell = (LinkedList*)malloc(sizeof(LinkedList));
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cell->head = head;
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cell->tail = tail;
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return cell;
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}
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/* Return the length of a list, list_length(NULL) returns zero */
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INLINE int
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list_length(LinkedList* list)
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{
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int i = 0;
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while(list)
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{
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i += 1;
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list = list->tail;
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}
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return i;
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}
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/* Return the Nth element of LIST, where N count from zero. If N
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larger than the list length, NULL is returned */
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INLINE void*
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list_nth(int index, LinkedList* list)
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{
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while(index-- != 0)
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{
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if(list->tail)
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list = list->tail;
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else
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return 0;
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}
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return list->head;
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}
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/* Remove the element at the head by replacing it by its successor */
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INLINE void
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list_remove_head(LinkedList** list)
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{
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if (!*list) return;
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if ((*list)->tail)
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{
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LinkedList* tail = (*list)->tail; /* fetch next */
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*(*list) = *tail; /* copy next to list head */
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free(tail); /* free next */
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}
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else /* only one element in list */
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{
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free(*list);
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(*list) = 0;
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}
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}
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INLINE LinkedList *
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list_remove_elem(LinkedList* list, void* elem)
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{
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LinkedList *tmp;
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if (list) {
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if (list->head == elem) {
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tmp = list->tail;
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free(list);
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return tmp;
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}
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list->tail = list_remove_elem(list->tail, elem);
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return list;
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}
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return NULL;
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}
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/* Return element that has ELEM as car */
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INLINE LinkedList*
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list_find(LinkedList* list, void* elem)
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{
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while(list)
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{
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if (list->head == elem)
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return list;
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list = list->tail;
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}
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return NULL;
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}
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/* Free list (backwards recursive) */
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INLINE void
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list_free(LinkedList* list)
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{
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if(list)
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{
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list_free(list->tail);
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free(list);
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}
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}
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/* Map FUNCTION over all elements in LIST */
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INLINE void
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list_mapcar(LinkedList* list, void(*function)(void*))
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{
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while(list)
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{
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(*function)(list->head);
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list = list->tail;
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}
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}
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/*
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*----------------------------------------------------------------------
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* parse_command--
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* Divides a command line into a argv/argc pair.
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*----------------------------------------------------------------------
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*/
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#define PRC_ALPHA 0
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#define PRC_BLANK 1
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#define PRC_ESCAPE 2
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#define PRC_DQUOTE 3
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#define PRC_EOS 4
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#define PRC_SQUOTE 5
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typedef struct {
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short nstate;
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short output;
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} DFA;
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static DFA mtable[9][6] = {
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{{3,1},{0,0},{4,0},{1,0},{8,0},{6,0}},
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{{1,1},{1,1},{2,0},{3,0},{5,0},{1,1}},
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{{1,1},{1,1},{1,1},{1,1},{5,0},{1,1}},
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{{3,1},{5,0},{4,0},{1,0},{5,0},{6,0}},
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{{3,1},{3,1},{3,1},{3,1},{5,0},{3,1}},
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{{-1,-1},{0,0},{0,0},{0,0},{0,0},{0,0}}, /* final state */
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{{6,1},{6,1},{7,0},{6,1},{5,0},{3,0}},
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{{6,1},{6,1},{6,1},{6,1},{5,0},{6,1}},
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{{-1,-1},{0,0},{0,0},{0,0},{0,0},{0,0}}, /* final state */
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};
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char*
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next_token(char *word, char **next)
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{
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char *ptr;
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char *ret, *t;
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int state, ctype;
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t = ret = malloc(strlen(word)+1);
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ptr = word;
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state = 0;
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*t = 0;
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while (1) {
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if (*ptr==0)
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ctype = PRC_EOS;
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else if (*ptr=='\\')
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ctype = PRC_ESCAPE;
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else if (*ptr=='"')
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ctype = PRC_DQUOTE;
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else if (*ptr=='\'')
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ctype = PRC_SQUOTE;
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else if (*ptr==' ' || *ptr=='\t')
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ctype = PRC_BLANK;
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else
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ctype = PRC_ALPHA;
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if (mtable[state][ctype].output) {
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*t = *ptr; t++;
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*t = 0;
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}
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state = mtable[state][ctype].nstate;
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ptr++;
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if (mtable[state][0].output<0) {
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break;
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}
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}
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if (*ret==0)
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t = NULL;
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else
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t = strdup(ret);
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free(ret);
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if (ctype==PRC_EOS)
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*next = NULL;
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else
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*next = ptr;
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return t;
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}
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extern void
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parse_command(char *command, char ***argv, int *argc)
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{
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LinkedList *list = NULL;
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char *token, *line;
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int count, i;
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line = command;
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do {
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token = next_token(line, &line);
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if (token) {
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list = list_cons(token, list);
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}
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} while (token!=NULL && line!=NULL);
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count = list_length(list);
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*argv = malloc(sizeof(char*)*count);
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i = count;
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while (list!=NULL) {
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(*argv)[--i] = list->head;
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list_remove_head(&list);
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}
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*argc = count;
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}
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extern pid_t
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execCommand(char *command)
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{
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pid_t pid;
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char **argv;
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int argc;
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parse_command(command, &argv, &argc);
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if (argv==NULL) {
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return 0;
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}
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if ((pid=fork())==0) {
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char **args;
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int i;
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args = malloc(sizeof(char*)*(argc+1));
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if (!args)
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exit(10);
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for (i=0; i<argc; i++) {
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args[i] = argv[i];
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}
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args[argc] = NULL;
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execvp(argv[0], args);
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exit(10);
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}
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return pid;
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}
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/*****************/
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/* X11 Variables */
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/*****************/
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Window Root;
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int screen;
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int x_fd;
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int d_depth;
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XSizeHints mysizehints;
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XWMHints mywmhints;
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Pixel back_pix, fore_pix;
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char *Geometry = "";
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Window iconwin, win;
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GC NormalGC;
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XpmIcon wmgen;
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Pixmap pixmask;
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/*****************/
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/* Mouse Regions */
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/*****************/
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typedef struct {
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int enable;
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int top;
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int bottom;
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int left;
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int right;
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} MOUSE_REGION;
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#define MAX_MOUSE_REGION (8)
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MOUSE_REGION mouse_region[MAX_MOUSE_REGION];
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/***********************/
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/* Function Prototypes */
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/***********************/
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static void GetXPM(XpmIcon *, char **);
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static Pixel GetColor(char *);
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void RedrawWindow(void);
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void AddMouseRegion(int, int, int, int, int);
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int CheckMouseRegion(int, int);
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/*******************************************************************************\
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|* read_rc_file *|
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\*******************************************************************************/
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void parse_rcfile(const char *filename, rckeys *keys) {
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char *p;
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char temp[128];
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char *tokens = " :\t\n";
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FILE *fp;
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int i,key;
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fp = fopen(filename, "r");
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if (fp) {
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while (fgets(temp, 128, fp)) {
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key = 0;
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while (key >= 0 && keys[key].label) {
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if ((p = strstr(temp, keys[key].label))) {
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p += strlen(keys[key].label);
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p += strspn(p, tokens);
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if ((i = strcspn(p, "#\n"))) p[i] = 0;
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free(*keys[key].var);
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*keys[key].var = strdup(p);
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key = -1;
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} else key++;
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}
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}
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fclose(fp);
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}
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}
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/*******************************************************************************\
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|* GetXPM *|
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\*******************************************************************************/
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static void GetXPM(XpmIcon *wmgen, char *pixmap_bytes[]) {
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XWindowAttributes attributes;
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int err;
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/* For the colormap */
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XGetWindowAttributes(display, Root, &attributes);
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wmgen->attributes.valuemask |= (XpmReturnPixels | XpmReturnExtensions);
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err = XpmCreatePixmapFromData(display, Root, pixmap_bytes, &(wmgen->pixmap),
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&(wmgen->mask), &(wmgen->attributes));
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if (err != XpmSuccess) {
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fprintf(stderr, "Not enough free colorcells.\n");
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exit(1);
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}
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}
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/*******************************************************************************\
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|* GetColor *|
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\*******************************************************************************/
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static Pixel GetColor(char *name) {
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XColor color;
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XWindowAttributes attributes;
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XGetWindowAttributes(display, Root, &attributes);
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color.pixel = 0;
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if (!XParseColor(display, attributes.colormap, name, &color)) {
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fprintf(stderr, "wm.app: can't parse %s.\n", name);
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} else if (!XAllocColor(display, attributes.colormap, &color)) {
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fprintf(stderr, "wm.app: can't allocate %s.\n", name);
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}
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return color.pixel;
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}
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/*******************************************************************************\
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|* flush_expose *|
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\*******************************************************************************/
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static int flush_expose(Window w) {
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XEvent dummy;
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int i=0;
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while (XCheckTypedWindowEvent(display, w, Expose, &dummy))
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i++;
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return i;
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}
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/*******************************************************************************\
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|* RedrawWindow *|
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\*******************************************************************************/
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void RedrawWindow(void) {
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flush_expose(iconwin);
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XCopyArea(display, wmgen.pixmap, iconwin, NormalGC,
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0,0, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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flush_expose(win);
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XCopyArea(display, wmgen.pixmap, win, NormalGC,
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0,0, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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}
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/*******************************************************************************\
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|* RedrawWindowXY *|
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\*******************************************************************************/
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void RedrawWindowXY(int x, int y) {
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flush_expose(iconwin);
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XCopyArea(display, wmgen.pixmap, iconwin, NormalGC,
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x,y, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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flush_expose(win);
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XCopyArea(display, wmgen.pixmap, win, NormalGC,
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x,y, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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}
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/*******************************************************************************\
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|* AddMouseRegion *|
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\*******************************************************************************/
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void AddMouseRegion(int index, int left, int top, int right, int bottom) {
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if (index < MAX_MOUSE_REGION) {
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mouse_region[index].enable = 1;
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mouse_region[index].top = top;
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mouse_region[index].left = left;
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mouse_region[index].bottom = bottom;
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mouse_region[index].right = right;
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}
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}
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/*******************************************************************************\
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|* CheckMouseRegion *|
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\*******************************************************************************/
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int CheckMouseRegion(int x, int y) {
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int i;
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int found;
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found = 0;
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for (i=0; i<MAX_MOUSE_REGION && !found; i++) {
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if (mouse_region[i].enable &&
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x <= mouse_region[i].right &&
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x >= mouse_region[i].left &&
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y <= mouse_region[i].bottom &&
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y >= mouse_region[i].top)
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found = 1;
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}
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if (!found) return -1;
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return (i-1);
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}
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/*******************************************************************************\
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|* copyXPMArea *|
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\*******************************************************************************/
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void copyXPMArea(int x, int y, int sx, int sy, int dx, int dy) {
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XCopyArea(display, wmgen.pixmap, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
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}
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/*******************************************************************************\
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|* copyXBMArea *|
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\*******************************************************************************/
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void copyXBMArea(int x, int y, int sx, int sy, int dx, int dy) {
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XCopyArea(display, wmgen.mask, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
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}
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/*******************************************************************************\
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|* setMaskXY *|
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\*******************************************************************************/
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void setMaskXY(int x, int y) {
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XShapeCombineMask(display, win, ShapeBounding, x, y, pixmask, ShapeSet);
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XShapeCombineMask(display, iconwin, ShapeBounding, x, y, pixmask, ShapeSet);
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}
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/*******************************************************************************\
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|* openXwindow *|
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\*******************************************************************************/
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void openXwindow(int argc, char *argv[], char *pixmap_bytes[], char *pixmask_bits, int pixmask_width, int pixmask_height) {
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unsigned int borderwidth = 1;
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XClassHint classHint;
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char *display_name = NULL;
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char *wname = argv[0];
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XTextProperty name;
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XGCValues gcv;
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unsigned long gcm;
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int dummy=0;
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int i;
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for (i=1; argv[i]; i++) {
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if (!strcmp(argv[i], "-display"))
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display_name = argv[i+1];
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}
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if (!(display = XOpenDisplay(display_name))) {
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fprintf(stderr, "%s: can't open display %s\n",
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wname, XDisplayName(display_name));
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exit(1);
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}
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screen = DefaultScreen(display);
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Root = RootWindow(display, screen);
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d_depth = DefaultDepth(display, screen);
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x_fd = XConnectionNumber(display);
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/* Convert XPM to XImage */
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GetXPM(&wmgen, pixmap_bytes);
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/* Create a window to hold the stuff */
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mysizehints.flags = USSize | USPosition;
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mysizehints.x = 0;
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mysizehints.y = 0;
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back_pix = GetColor("white");
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fore_pix = GetColor("black");
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XWMGeometry(display, screen, Geometry, NULL, borderwidth, &mysizehints,
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&mysizehints.x, &mysizehints.y,&mysizehints.width,&mysizehints.height, &dummy);
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mysizehints.width = 64;
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mysizehints.height = 64;
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win = XCreateSimpleWindow(display, Root, mysizehints.x, mysizehints.y,
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mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
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iconwin = XCreateSimpleWindow(display, win, mysizehints.x, mysizehints.y,
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mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
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/* Activate hints */
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XSetWMNormalHints(display, win, &mysizehints);
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classHint.res_name = wname;
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classHint.res_class = wname;
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XSetClassHint(display, win, &classHint);
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XSelectInput(display, win, ButtonPressMask | ExposureMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);
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XSelectInput(display, iconwin, ButtonPressMask | ExposureMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);
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if (XStringListToTextProperty(&wname, 1, &name) == 0) {
|
|
fprintf(stderr, "%s: can't allocate window name\n", wname);
|
|
exit(1);
|
|
}
|
|
|
|
XSetWMName(display, win, &name);
|
|
|
|
/* Create GC for drawing */
|
|
|
|
gcm = GCForeground | GCBackground | GCGraphicsExposures;
|
|
gcv.foreground = fore_pix;
|
|
gcv.background = back_pix;
|
|
gcv.graphics_exposures = 0;
|
|
NormalGC = XCreateGC(display, Root, gcm, &gcv);
|
|
|
|
/* ONLYSHAPE ON */
|
|
|
|
pixmask = XCreateBitmapFromData(display, win, pixmask_bits, pixmask_width, pixmask_height);
|
|
|
|
XShapeCombineMask(display, win, ShapeBounding, 0, 0, pixmask, ShapeSet);
|
|
XShapeCombineMask(display, iconwin, ShapeBounding, 0, 0, pixmask, ShapeSet);
|
|
|
|
/* ONLYSHAPE OFF */
|
|
|
|
mywmhints.initial_state = WithdrawnState;
|
|
mywmhints.icon_window = iconwin;
|
|
mywmhints.icon_x = mysizehints.x;
|
|
mywmhints.icon_y = mysizehints.y;
|
|
mywmhints.window_group = win;
|
|
mywmhints.flags = StateHint | IconWindowHint | IconPositionHint | WindowGroupHint;
|
|
|
|
XSetWMHints(display, win, &mywmhints);
|
|
|
|
XSetCommand(display, win, argv, argc);
|
|
XMapWindow(display, win);
|
|
|
|
}
|
|
|
|
|
|
FILE *prefs_filehandle;
|
|
char* p_strcpy (char *dest, const char *src, int maxlength);
|
|
char* p_strcat (char *dest, const char *src, int maxlength);
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
char* p_getdir_config (char *cdirectory)
|
|
{
|
|
static char cfgdir[MAX_PATH];
|
|
struct stat cfg;
|
|
|
|
p_strcpy (cfgdir, getenv ("HOME"), MAX_PATH);
|
|
p_strcat (cfgdir, slash, MAX_PATH);
|
|
p_strcat (cfgdir, cdirectory, MAX_PATH);
|
|
|
|
if(stat(cfgdir, &cfg) < 0)
|
|
mkdir(cfgdir, S_IRUSR | S_IWUSR | S_IXUSR);
|
|
|
|
return cfgdir;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
char* p_getfilename_config (char *config_dir, char *config_filename)
|
|
{
|
|
static char filename[MAX_PATH];
|
|
|
|
p_strcpy (filename, p_getdir_config(config_dir), MAX_PATH);
|
|
p_strcat (filename, slash, MAX_PATH);
|
|
p_strcat (filename, config_filename, MAX_PATH);
|
|
|
|
return filename;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
void* p_prefs_openfile (char *filename, int openmode)
|
|
{
|
|
prefs_filehandle = NULL;
|
|
|
|
if (openmode == P_READ)
|
|
prefs_filehandle = fopen (filename, "rb");
|
|
else if (openmode == P_WRITE)
|
|
prefs_filehandle = fopen (filename, "wb");
|
|
|
|
return prefs_filehandle;
|
|
}
|
|
|
|
|
|
void p_prefs_closefile (void)
|
|
{
|
|
fclose (prefs_filehandle);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
void p_prefs_put_int (char *tagname, int value)
|
|
{
|
|
fprintf (prefs_filehandle, "%s=%d\n", tagname, value);
|
|
}
|
|
|
|
|
|
void p_prefs_put_float (char *tagname, float value)
|
|
{
|
|
fprintf (prefs_filehandle, "%s=%f\n", tagname, value);
|
|
}
|
|
|
|
|
|
void p_prefs_put_string (char *tagname, char *value)
|
|
{
|
|
fprintf (prefs_filehandle, "%s=%s\n", tagname, value);
|
|
}
|
|
|
|
|
|
void p_prefs_put_lf (void)
|
|
{
|
|
fprintf (prefs_filehandle, "\n");
|
|
}
|
|
|
|
|
|
void p_prefs_put_comment (char *comment)
|
|
{
|
|
char text[MAX_LINE_LEN];
|
|
|
|
p_strcpy (text, "# ", MAX_LINE_LEN);
|
|
p_strcat (text, comment, MAX_LINE_LEN);
|
|
fprintf (prefs_filehandle, text);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
char* p_prefs_get_line_with_tag (char *tagname)
|
|
{
|
|
static char prfline[MAX_LINE_LEN];
|
|
int i;
|
|
char c;
|
|
|
|
fseek (prefs_filehandle, 0, SEEK_SET);
|
|
|
|
while (!feof (prefs_filehandle)) {
|
|
i = 0;
|
|
|
|
while (((c = fgetc (prefs_filehandle)) != crlf_char) && c!= EOF && i < MAX_LINE_LEN)
|
|
prfline[i++] = c;
|
|
|
|
prfline[i] = null_char;
|
|
|
|
if (prfline[0] != '#')
|
|
if (!strncmp (tagname, prfline, strlen (tagname))) break;
|
|
}
|
|
|
|
return prfline;
|
|
}
|
|
|
|
|
|
char* p_prefs_get_value_field (char *tagname)
|
|
{
|
|
static char valuestr[MAX_VALUE_LEN];
|
|
char *valpos, c;
|
|
int i;
|
|
|
|
i = 0;
|
|
|
|
if ((valpos = strchr (p_prefs_get_line_with_tag (tagname), '='))) {
|
|
while((c = valpos[i+1]) != null_char && i < MAX_VALUE_LEN) valuestr[i++] = c;
|
|
}
|
|
|
|
valuestr[i] = null_char;
|
|
return valuestr;
|
|
}
|
|
|
|
|
|
int p_prefs_get_int (char *tagname)
|
|
{
|
|
return (atoi (p_prefs_get_value_field (tagname)));
|
|
}
|
|
|
|
|
|
float p_prefs_get_float (char *tagname)
|
|
{
|
|
return (atof (p_prefs_get_value_field (tagname)));
|
|
}
|
|
|
|
|
|
char* p_prefs_get_string (char *tagname)
|
|
{
|
|
return (p_prefs_get_value_field (tagname));
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/* following functions based on samba sources. */
|
|
/* safe_strcpy and safe_strcat routines written by Andrew Tridgell */
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
char* p_strcpy (char *dest, const char *src, int maxlength)
|
|
{
|
|
int len;
|
|
|
|
if (!dest) {
|
|
printf ("ERROR: NULL dest in safe_strcpy\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (!src) {
|
|
*dest = 0;
|
|
return dest;
|
|
}
|
|
|
|
len = strlen(src);
|
|
|
|
if (len > maxlength) {
|
|
printf ("ERROR: string overflow by %d in safe_strcpy [%.50s]\n",
|
|
(int)(len-maxlength), src);
|
|
len = maxlength;
|
|
}
|
|
|
|
memcpy(dest, src, len);
|
|
dest[len] = 0;
|
|
return dest;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
char* p_strcat (char *dest, const char *src, int maxlength)
|
|
{
|
|
int src_len, dest_len;
|
|
|
|
if (!dest) {
|
|
printf ("ERROR: NULL dest in safe_strcat\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (!src) {
|
|
return dest;
|
|
}
|
|
|
|
src_len = strlen(src);
|
|
dest_len = strlen(dest);
|
|
|
|
if (src_len + dest_len > maxlength) {
|
|
printf ("ERROR: string overflow by %d in safe_strcat [%.50s]\n",
|
|
(int)(src_len + dest_len - maxlength), src);
|
|
src_len = maxlength - dest_len;
|
|
}
|
|
|
|
memcpy(&dest[dest_len], src, src_len);
|
|
dest[dest_len + src_len] = 0;
|
|
return dest;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
|