Dogcows Code - chaz/openbox/blob - plugins/mouse/mouseparse.c

   1 #include "kernel/action.h"
   2 #include "kernel/parse.h"
   3 #include "mouse.h"
   4
   5 void mouseparse(ParseToken *token)
   6 {
   7     static char *top = NULL;
   8     static char *context = NULL, *button = NULL;
   9     static char *arg_str = NULL;
  10     static int arg_int = 0;
  11     static MouseAction event = -1;
  12     static Action *action = NULL;
  13     static gboolean err = FALSE;
  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("mbind", token->data.identifier)) {
  22             top = token->data.identifier;
  23             return;
  24         } else {
  25             yyerror("syntax error (expected mbind)");
  26             err = TRUE;
  27         }
  28     } else if (context == NULL) {
  29         if (token->type == TOKEN_IDENTIFIER) {
  30             context = token->data.identifier;
  31             return;
  32         } else {
  33             yyerror("syntax error (expected Key)");
  34             err = TRUE;
  35         }
  36     } else if (event == (unsigned) -1) {
  37         if (token->type == TOKEN_IDENTIFIER) {
  38             if (!g_ascii_strcasecmp("press", token->data.identifier))
  39                 event = MouseAction_Press;
  40             else if (!g_ascii_strcasecmp("release", token->data.identifier))
  41                 event = MouseAction_Release;
  42             else if (!g_ascii_strcasecmp("click", token->data.identifier))
  43                 event = MouseAction_Click;
  44             else if (!g_ascii_strcasecmp("doubleclick",token->data.identifier))
  45                 event = MouseAction_DClick;
  46             else if (!g_ascii_strcasecmp("drag", token->data.identifier))
  47                 event = MouseAction_Motion;
  48             if (event != (unsigned) -1)
  49                 return;
  50             else {
  51                 yyerror("invalid event");
  52                 err = TRUE;
  53             }
  54         } else {
  55             yyerror("syntax error (expected event)");
  56             err = TRUE;
  57         }
  58     } else if (button == NULL) {
  59         if (token->type == TOKEN_IDENTIFIER) {
  60             button = token->data.identifier;
  61             return;
  62         } else {
  63             yyerror("syntax error (expected button)");
  64             err = TRUE;
  65         }
  66     } else if (action == NULL) {
  67         if (token->type == TOKEN_IDENTIFIER) {
  68             action = action_from_string(token->data.identifier);
  69
  70             /* check for valid actions for motion events */
  71             if ((event == MouseAction_Motion) ^
  72                 (action &&
  73                  (action->func == action_move ||
  74                   action->func == action_resize))) {
  75                 action_free(action);
  76                 action = NULL;
  77             }
  78
  79             if (action != NULL) {
  80                 return;
  81             } else {
  82                 yyerror("invalid action");
  83                 err = TRUE;
  84             }
  85         } else {
  86             yyerror("syntax error (expected action)");
  87             err = TRUE;
  88         }
  89     } else if (token->type == TOKEN_STRING) {
  90         arg_str = token->data.string;
  91         return;
  92     } else if (token->type == TOKEN_INTEGER) {
  93         arg_int = token->data.integer;
  94         return;
  95     } else if (token->type != TOKEN_NEWLINE) {
  96         yyerror("syntax error (unexpected trailing token)");
  97     } else {
  98
  99         /* these use the argument */
 100         if (action->func == action_execute || action->func == action_restart)
 101             action->data.execute.path = g_strdup(arg_str);
 102         else if (action->func == action_showmenu)
 103             action->data.showmenu.name = g_strdup(arg_str);
 104         if ((action->func == action_desktop ||
 105              action->func == action_send_to_desktop) &&
 106             arg_int)
 107             action->data.desktop.desk = (unsigned) arg_int - 1;
 108         if (action->func == action_move_relative_horz ||
 109             action->func == action_move_relative_vert ||
 110             action->func == action_resize_relative_horz ||
 111             action->func == action_resize_relative_vert)
 112             action->data.relative.delta = arg_int;
 113
 114         if (mbind(button, context, event, action))
 115             action = NULL; /* don't free this if mbind succeeds */
 116         else
 117             yyerror("failed to add mouse binding");
 118     }
 119
 120     g_free(top); top = NULL;
 121     g_free(context); context = NULL;
 122     g_free(button); button = NULL;
 123     g_free(arg_str); arg_str = NULL;
 124     arg_int = 0;
 125     event = -1;
 126     action_free(action); action = NULL;
 127     parse_free_token(token);
 128 }