Dogcows Code - chaz/openbox/blob - plugins/keyboard/keyparse.c

   1 #include "kernel/parse.h"
   2 #include "kernel/prop.h"
   3 #include "keyboard.h"
   4
   5 void keyparse(ParseToken *token)
   6 {
   7     static char *top = NULL;
   8     static Action *action = NULL;
   9     static GList *chain = NULL;
  10     static gboolean err = FALSE;
  11     static char *arg_str = NULL;
  12     static int arg_int = 0;
  13     GList *it;
  14
  15     if (err) {
  16         if (token->type == TOKEN_NEWLINE)
  17             err = FALSE;
  18         /* just fall through and free the token */
  19     } else if (top == NULL) {
  20         if (token->type == TOKEN_IDENTIFIER &&
  21             !g_ascii_strcasecmp("kbind", token->data.identifier)) {
  22             top = token->data.identifier;
  23             return;
  24         } else {
  25             yyerror("syntax error (expected kbind)");
  26             err = TRUE;
  27         }
  28     } else if (chain == NULL) {
  29         if (token->type == TOKEN_LIST) {
  30             for (it = token->data.list; it; it = it->next)
  31                 if (((ParseToken*)it->data)->type != TOKEN_IDENTIFIER) break;
  32             if (it == NULL) {
  33                 chain = token->data.list;
  34                 return;
  35             } else {
  36                 yyerror("invalid element in key chain");
  37                 err = TRUE;
  38             }
  39         } else {
  40             yyerror("syntax error (expected key chain)");
  41             err = TRUE;
  42         }
  43     } else if (action == NULL) {
  44         if (token->type == TOKEN_IDENTIFIER) {
  45             action = action_from_string(token->data.identifier);
  46
  47             /* no move/resize with the keyboard */
  48             if (action && action->func == action_moveresize &&
  49                 action->data.moveresize.corner !=
  50                 prop_atoms.net_wm_moveresize_move_keyboard &&
  51                 action->data.moveresize.corner !=
  52                 prop_atoms.net_wm_moveresize_size_keyboard) {
  53                 action_free(action);
  54                 action = NULL;
  55             }
  56
  57             if (action != NULL) {
  58                 parse_free_token(token); /* its data isnt saved */
  59                 return;
  60             } else {
  61                 yyerror("invalid action");
  62                 err = TRUE;
  63             }
  64         } else {
  65             yyerror("syntax error (expected action)");
  66             err = TRUE;
  67         }
  68     } else if (token->type == TOKEN_STRING) { /* string argument */
  69         arg_str = token->data.string;
  70         return;
  71     } else if (token->type == TOKEN_INTEGER) { /* number argument */
  72         arg_int = token->data.integer;
  73         return;
  74     } else if (token->type != TOKEN_NEWLINE) {
  75         yyerror("syntax error (unexpected trailing token)");
  76         err = TRUE;
  77     } else {
  78         GList *strchain = NULL;
  79
  80         /* build a list of just char*'s */
  81         for (it = chain; it; it = it->next)
  82             strchain = g_list_append(strchain,
  83                                      ((ParseToken*)it->data)->data.identifier);
  84
  85         /* these use the argument */
  86         if (action->func == action_execute || action->func == action_restart)
  87             action->data.execute.path = g_strdup(arg_str);
  88         else if (action->func == action_showmenu)
  89             action->data.showmenu.name = g_strdup(arg_str);
  90         if ((action->func == action_desktop ||
  91              action->func == action_send_to_desktop) &&
  92             arg_int)
  93             action->data.desktop.desk = (unsigned) arg_int - 1;
  94         if (action->func == action_move_relative_horz ||
  95             action->func == action_move_relative_vert ||
  96             action->func == action_resize_relative_horz ||
  97             action->func == action_resize_relative_vert)
  98             action->data.relative.delta = arg_int;
  99
 100         if (kbind(strchain, action))
 101             action = NULL; /* don't free this if kbind succeeds */
 102         else
 103             yyerror("failed to add key binding");
 104         /* free the char*'s */
 105         g_list_free(strchain);
 106
 107         err = FALSE;
 108     }
 109
 110     g_free(top); top = NULL;
 111     action_free(action); action = NULL;
 112     g_free(arg_str); arg_str = NULL;
 113     arg_int = 0;
 114     for (it = chain; it; it = it->next) {
 115         parse_free_token(it->data);
 116         g_free(it->data);
 117     }
 118     g_list_free(chain); chain = NULL;
 119     parse_free_token(token);
 120 }