]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkbindings.c
Adapt cast macros to standard.
[~andy/gtk] / gtk / gtkbindings.c
index 49a0dbacb7e5b8adafbe72bfc1f8f279fc26b6af..13d7dfb4c3ee7d2e3eb336cee2ed4b32fa76e52e 100644 (file)
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+
+/*
+ * Modified by the GTK+ Team and others 1997-1999.  See the AUTHORS
+ * file for a list of people on the GTK+ Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+
 #include <ctype.h>
-#include <strings.h>
+#include <string.h>
 #include <stdarg.h>
 #include "gtkbindings.h"
 #include "gtksignal.h"
 #include "gtkwidget.h"
+#include "gtkrc.h"
 
 
 /* --- defines --- */
@@ -61,7 +70,7 @@ binding_signal_free (GtkBindingSignal *sig)
   
   for (i = 0; i < sig->n_args; i++)
     {
-      if (sig->args[i].arg_type == GTK_BINDING_ARG_STRING)
+      if (GTK_FUNDAMENTAL_TYPE (sig->args[i].arg_type) == GTK_TYPE_STRING)
        g_free (sig->args[i].d.string_data);
     }
   g_free (sig->args);
@@ -262,46 +271,64 @@ binding_compose_params (GtkBindingArg     *args,
   valid = TRUE;
   for (i = 0; i < query->nparams && valid; i++)
     {
+      GtkType param_ftype;
+
       params->type = *types;
       params->name = NULL;
-      switch (args->arg_type)
+      param_ftype = GTK_FUNDAMENTAL_TYPE (params->type);
+      switch (GTK_FUNDAMENTAL_TYPE (args->arg_type))
        {
-       case  GTK_BINDING_ARG_STRING:
-         if (params->type == GTK_TYPE_STRING)
-           GTK_VALUE_STRING (*params) = args->d.string_data;
-         else
-           valid = FALSE;
-         break;
-       case  GTK_BINDING_ARG_DOUBLE:
-         if (params->type == GTK_TYPE_FLOAT)
+       case  GTK_TYPE_DOUBLE:
+         if (param_ftype == GTK_TYPE_FLOAT)
            GTK_VALUE_FLOAT (*params) = args->d.double_data;
-         else if (params->type == GTK_TYPE_DOUBLE)
+         else if (param_ftype == GTK_TYPE_DOUBLE)
            GTK_VALUE_DOUBLE (*params) = args->d.double_data;
          else
            valid = FALSE;
          break;
-       case  GTK_BINDING_ARG_LONG:
-         if (params->type == GTK_TYPE_BOOL &&
+       case  GTK_TYPE_LONG:
+         if (param_ftype == GTK_TYPE_BOOL &&
              (args->d.long_data == 0 ||
               args->d.long_data == 1))
            GTK_VALUE_BOOL (*params) = args->d.long_data;
-         else if (params->type == GTK_TYPE_INT)
+         else if (param_ftype == GTK_TYPE_INT ||
+                  param_ftype == GTK_TYPE_ENUM)
            GTK_VALUE_INT (*params) = args->d.long_data;
-         else if (params->type == GTK_TYPE_UINT &&
+         else if ((param_ftype == GTK_TYPE_UINT ||
+                   param_ftype == GTK_TYPE_FLAGS) &&
                   args->d.long_data >= 0)
            GTK_VALUE_UINT (*params) = args->d.long_data;
-         else if (params->type == GTK_TYPE_LONG)
+         else if (param_ftype == GTK_TYPE_LONG)
            GTK_VALUE_LONG (*params) = args->d.long_data;
-         else if (params->type == GTK_TYPE_ULONG &&
+         else if (param_ftype == GTK_TYPE_ULONG &&
                   args->d.long_data >= 0)
            GTK_VALUE_ULONG (*params) = args->d.long_data;
-         else if (params->type == GTK_TYPE_FLOAT)
+         else if (param_ftype == GTK_TYPE_FLOAT)
            GTK_VALUE_FLOAT (*params) = args->d.long_data;
-         else if (params->type == GTK_TYPE_DOUBLE)
+         else if (param_ftype == GTK_TYPE_DOUBLE)
            GTK_VALUE_DOUBLE (*params) = args->d.long_data;
          else
            valid = FALSE;
          break;
+       case  GTK_TYPE_STRING:
+         if (args->arg_type == GTK_TYPE_STRING &&
+             param_ftype == GTK_TYPE_STRING)
+           GTK_VALUE_STRING (*params) = args->d.string_data;
+         else if (args->arg_type == GTK_TYPE_IDENTIFIER &&
+                  (param_ftype == GTK_TYPE_ENUM ||
+                   param_ftype == GTK_TYPE_FLAGS))
+           {
+             GtkEnumValue *value;
+
+             value = gtk_type_enum_find_value (params->type, args->d.string_data);
+             if (value)
+               GTK_VALUE_ENUM (*params) = value->value;
+             else
+               valid = FALSE;
+           }
+         else
+           valid = FALSE;
+         break;
        default:
          valid = FALSE;
          break;
@@ -410,7 +437,7 @@ gtk_binding_set_new (const gchar    *set_name)
   binding_set->entries = NULL;
   binding_set->current = NULL;
   
-  binding_set_list = g_slist_prepend (NULL, binding_set);
+  binding_set_list = g_slist_prepend (binding_set_list, binding_set);
   
   return binding_set;
 }
@@ -557,26 +584,28 @@ gtk_binding_entry_add_signall (GtkBindingSet  *binding_set,
          binding_signal_free (signal);
          return;
        }
-      arg->arg_type = tmp_arg->arg_type;
-      switch (tmp_arg->arg_type)
+      switch (GTK_FUNDAMENTAL_TYPE (tmp_arg->arg_type))
        {
-       case  GTK_BINDING_ARG_INT:
-       case  GTK_BINDING_ARG_LONG:
+       case  GTK_TYPE_LONG:
+         arg->arg_type = GTK_TYPE_LONG;
          arg->d.long_data = tmp_arg->d.long_data;
          break;
-       case  GTK_BINDING_ARG_FLOAT:
-       case  GTK_BINDING_ARG_DOUBLE:
+       case  GTK_TYPE_DOUBLE:
+         arg->arg_type = GTK_TYPE_DOUBLE;
          arg->d.double_data = tmp_arg->d.double_data;
          break;
-       case  GTK_BINDING_ARG_STRING:
-         if (!tmp_arg->d.string_data)
+       case  GTK_TYPE_STRING:
+          if (tmp_arg->arg_type != GTK_TYPE_IDENTIFIER)
+           arg->arg_type = GTK_TYPE_STRING;
+         else
+           arg->arg_type = GTK_TYPE_IDENTIFIER;
+         arg->d.string_data = g_strdup (tmp_arg->d.string_data);
+         if (!arg->d.string_data)
            {
              g_warning ("gtk_binding_entry_add_signall(): value of `string' arg[%u] is `NULL'", n);
-             arg->d.string_data = NULL;
              binding_signal_free (signal);
              return;
            }
-         arg->d.string_data = g_strdup (tmp_arg->d.string_data);
          break;
        default:
          g_warning ("gtk_binding_entry_add_signall(): unsupported type `%s' for arg[%u]",
@@ -628,25 +657,40 @@ gtk_binding_entry_add_signal (GtkBindingSet  *binding_set,
       slist = g_slist_prepend (slist, arg);
 
       arg->arg_type = va_arg (args, GtkType);
-      switch (arg->arg_type)
+      switch (GTK_FUNDAMENTAL_TYPE (arg->arg_type))
        {
-       case  GTK_BINDING_ARG_INT:
+         /* for elaborated commenting about var args collection, take a look
+          * at gtk_arg_collect_value() in gtkargcollector.c
+          */
+       case GTK_TYPE_CHAR:
+       case GTK_TYPE_UCHAR:
+       case GTK_TYPE_INT:
+       case GTK_TYPE_UINT:
+       case GTK_TYPE_BOOL:
+       case GTK_TYPE_ENUM:
+       case GTK_TYPE_FLAGS:
+         arg->arg_type = GTK_TYPE_LONG;
          arg->d.long_data = va_arg (args, gint);
          break;
-       case  GTK_BINDING_ARG_LONG:
+       case GTK_TYPE_LONG:
+       case GTK_TYPE_ULONG:
+         arg->arg_type = GTK_TYPE_LONG;
          arg->d.long_data = va_arg (args, glong);
          break;
-       case  GTK_BINDING_ARG_FLOAT:
-         arg->d.double_data = va_arg (args, gfloat);
-         break;
-       case  GTK_BINDING_ARG_DOUBLE:
+       case GTK_TYPE_FLOAT:
+       case GTK_TYPE_DOUBLE:
+         arg->arg_type = GTK_TYPE_DOUBLE;
          arg->d.double_data = va_arg (args, gdouble);
          break;
-       case  GTK_BINDING_ARG_STRING:
+       case GTK_TYPE_STRING:
+         if (arg->arg_type != GTK_TYPE_IDENTIFIER)
+           arg->arg_type = GTK_TYPE_STRING;
          arg->d.string_data = va_arg (args, gchar*);
          if (!arg->d.string_data)
            {
-             g_warning ("gtk_binding_entry_add_signal(): value of `string' arg[%u] is `NULL'", i);
+             g_warning ("gtk_binding_entry_add_signal(): type `%s' arg[%u] is `NULL'",
+                        gtk_type_name (arg->arg_type),
+                        i);
              i += n_args + 1;
            }
          break;
@@ -726,6 +770,7 @@ gtk_binding_set_add_path (GtkBindingSet          *binding_set,
          gtk_pattern_spec_free_segs (pspec);
          g_free (pspec);
          pspec = NULL;
+         break;
        }
     }
   if (pspec)
@@ -762,13 +807,17 @@ binding_match_activate (GSList          *pspec_list,
 }
 
 static gint
-gtk_binding_pattern_compare (gconstpointer a,
-                            gconstpointer b)
+gtk_binding_pattern_compare (gconstpointer new_pattern,
+                            gconstpointer existing_pattern)
 {
-  register const GtkPatternSpec *pa  = a;
-  register const GtkPatternSpec *pb  = b;
+  register const GtkPatternSpec *np  = new_pattern;
+  register const GtkPatternSpec *ep  = existing_pattern;
+
+  /* walk the list as long as the existing patterns have
+   * higher priorities.
+   */
 
-  return pa->seq_id < pb->seq_id ? -1 : 1;
+  return np->seq_id < ep->seq_id;
 }
 
 static inline GSList*
@@ -1087,6 +1136,7 @@ gtk_pattern_spec_init (GtkPatternSpec           *pspec,
       t = pspec->pattern_reversed;
       pspec->pattern_reversed = g_strdup (p);
       g_free (t);
+      g_free (pspec->pattern);
       pspec->pattern = g_strdup (pspec->pattern_reversed);
       g_strreverse (pspec->pattern);
       pspec->pattern_length = strlen (pspec->pattern);
@@ -1141,3 +1191,265 @@ gtk_pattern_spec_free_segs (GtkPatternSpec      *pspec)
   g_free (pspec->pattern_reversed);
   pspec->pattern_reversed = NULL;
 }
+
+static guint
+gtk_binding_parse_signal (GScanner       *scanner,
+                         GtkBindingSet  *binding_set,
+                         guint           keyval,
+                         guint           modifiers)
+{
+  gchar *signal;
+  guint expected_token = 0;
+  GSList *args;
+  GSList *slist;
+  gboolean done;
+  gboolean negate;
+  gboolean need_arg;
+  gboolean seen_comma;
+
+  g_return_val_if_fail (scanner != NULL, G_TOKEN_ERROR);
+  
+  g_scanner_get_next_token (scanner);
+  if (scanner->token != G_TOKEN_STRING)
+    return G_TOKEN_STRING;
+  g_scanner_peek_next_token (scanner);
+  if (scanner->next_token != '(')
+    {
+      g_scanner_get_next_token (scanner);
+      return '(';
+    }
+  signal = g_strdup (scanner->value.v_string);
+  g_scanner_get_next_token (scanner);
+
+  negate = FALSE;
+  args = NULL;
+  done = FALSE;
+  need_arg = TRUE;
+  seen_comma = FALSE;
+  scanner->config->scan_symbols = FALSE;
+  do
+    {
+      if (need_arg)
+       expected_token = G_TOKEN_INT;
+      else
+       expected_token = ')';
+      g_scanner_get_next_token (scanner);
+      switch (scanner->token)
+       {
+         GtkBindingArg *arg;
+
+       case G_TOKEN_FLOAT:
+         if (need_arg)
+           {
+             need_arg = FALSE;
+             arg = g_new (GtkBindingArg, 1);
+             arg->arg_type = GTK_TYPE_DOUBLE;
+             arg->d.double_data = scanner->value.v_float;
+             if (negate)
+               {
+                 arg->d.double_data = - arg->d.double_data;
+                 negate = FALSE;
+               }
+             args = g_slist_prepend (args, arg);
+           }
+         else
+           done = TRUE;
+         break;
+       case G_TOKEN_INT:
+         if (need_arg)
+           {
+             need_arg = FALSE;
+             arg = g_new (GtkBindingArg, 1);
+             arg->arg_type = GTK_TYPE_LONG;
+             arg->d.long_data = scanner->value.v_int;
+             if (negate)
+               {
+                 arg->d.long_data = - arg->d.long_data;
+                 negate = FALSE;
+               }
+             args = g_slist_prepend (args, arg);
+           }
+          else
+           done = TRUE;
+         break;
+       case G_TOKEN_STRING:
+         if (need_arg && !negate)
+           {
+             need_arg = FALSE;
+             arg = g_new (GtkBindingArg, 1);
+             arg->arg_type = GTK_TYPE_STRING;
+             arg->d.string_data = g_strdup (scanner->value.v_string);
+             args = g_slist_prepend (args, arg);
+           }
+         else
+           done = TRUE;
+         break;
+       case G_TOKEN_IDENTIFIER:
+         if (need_arg && !negate)
+           {
+             need_arg = FALSE;
+             arg = g_new (GtkBindingArg, 1);
+             arg->arg_type = GTK_TYPE_IDENTIFIER;
+             arg->d.string_data = g_strdup (scanner->value.v_identifier);
+             args = g_slist_prepend (args, arg);
+           }
+         else
+           done = TRUE;
+         break;
+       case '-':
+         if (!need_arg)
+           done = TRUE;
+         else if (negate)
+           {
+             expected_token = G_TOKEN_INT;
+             done = TRUE;
+           }
+         else
+           negate = TRUE;
+         break;
+       case ',':
+         seen_comma = TRUE;
+         if (need_arg)
+           done = TRUE;
+         else
+           need_arg = TRUE;
+         break;
+       case ')':
+         if (!(need_arg && seen_comma) && !negate)
+           {
+             args = g_slist_reverse (args);
+             gtk_binding_entry_add_signall (binding_set,
+                                            keyval,
+                                            modifiers,
+                                            signal,
+                                            args);
+             expected_token = G_TOKEN_NONE;
+           }
+         done = TRUE;
+         break;
+       default:
+         done = TRUE;
+         break;
+       }
+    }
+  while (!done);
+  scanner->config->scan_symbols = TRUE;
+  
+  for (slist = args; slist; slist = slist->next)
+    {
+      GtkBindingArg *arg;
+
+      arg = slist->data;
+      if (GTK_FUNDAMENTAL_TYPE (arg->arg_type) == GTK_TYPE_STRING)
+       g_free (arg->d.string_data);
+      g_free (arg);
+    }
+  g_slist_free (args);
+  g_free (signal);
+
+  return expected_token;
+}
+
+static inline guint
+gtk_binding_parse_bind (GScanner       *scanner,
+                       GtkBindingSet  *binding_set)
+{
+  guint keyval = 0;
+  guint modifiers = 0;
+
+  g_return_val_if_fail (scanner != NULL, G_TOKEN_ERROR);
+  
+  g_scanner_get_next_token (scanner);
+  if (scanner->token != GTK_RC_TOKEN_BIND)
+    return GTK_RC_TOKEN_BIND;
+  g_scanner_get_next_token (scanner);
+  if (scanner->token != G_TOKEN_STRING)
+    return G_TOKEN_STRING;
+  gtk_accelerator_parse (scanner->value.v_string, &keyval, &modifiers);
+  modifiers &= BINDING_MOD_MASK ();
+  if (keyval == 0)
+    return G_TOKEN_STRING;
+
+  g_scanner_get_next_token (scanner);
+  if (scanner->token != '{')
+    return '{';
+
+  gtk_binding_entry_clear (binding_set, keyval, modifiers);
+  
+  g_scanner_peek_next_token (scanner);
+  while (scanner->next_token != '}')
+    {
+      switch (scanner->next_token)
+       {
+         guint expected_token;
+
+       case G_TOKEN_STRING:
+         expected_token = gtk_binding_parse_signal (scanner,
+                                                    binding_set,
+                                                    keyval,
+                                                    modifiers);
+         if (expected_token != G_TOKEN_NONE)
+           return expected_token;
+         break;
+       default:
+         g_scanner_get_next_token (scanner);
+         return '}';
+       }
+      g_scanner_peek_next_token (scanner);
+    }
+  g_scanner_get_next_token (scanner);
+
+  return G_TOKEN_NONE;
+}
+
+guint
+gtk_binding_parse_binding (GScanner       *scanner)
+{
+  gchar *name;
+  GtkBindingSet *binding_set;
+
+  g_return_val_if_fail (scanner != NULL, G_TOKEN_ERROR);
+
+  g_scanner_get_next_token (scanner);
+  if (scanner->token != GTK_RC_TOKEN_BINDING)
+    return GTK_RC_TOKEN_BINDING;
+  g_scanner_get_next_token (scanner);
+  if (scanner->token != G_TOKEN_STRING)
+    return G_TOKEN_STRING;
+  name = g_strdup (scanner->value.v_string);
+
+  g_scanner_get_next_token (scanner);
+  if (scanner->token != '{')
+    {
+      g_free (name);
+      return G_TOKEN_STRING;
+    }
+
+  binding_set = gtk_binding_set_find (name);
+  if (!binding_set)
+    binding_set = gtk_binding_set_new (name);
+  g_free (name);
+
+  g_scanner_peek_next_token (scanner);
+  while (scanner->next_token != '}')
+    {
+      switch (scanner->next_token)
+       {
+         guint expected_token;
+
+       case GTK_RC_TOKEN_BIND:
+         expected_token = gtk_binding_parse_bind (scanner, binding_set);
+         if (expected_token != G_TOKEN_NONE)
+           return expected_token;
+         break;
+       default:
+         g_scanner_get_next_token (scanner);
+         return '}';
+       }
+      g_scanner_peek_next_token (scanner);
+    }
+  g_scanner_get_next_token (scanner);
+
+  return G_TOKEN_NONE;
+}
+