X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fhelmpot%2FguiGTK.c;h=906daf2b60f55253333fbc75cf3d75e092210aef;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=4384f3cef2c5d8cbc8b20d81034f7bf0db5fceee;hpb=75967c868f11708ad64e881dbe15a38718e441b7;p=helm.git

diff --git a/helm/helmpot/guiGTK.c b/helm/helmpot/guiGTK.c
index 4384f3cef..906daf2b6 100644
--- a/helm/helmpot/guiGTK.c
+++ b/helm/helmpot/guiGTK.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2000, Luca Padovani <luca.padovani@cs.unibo.it>.
+ * Copyright (C) 2000-2002, Luca Padovani <luca.padovani@cs.unibo.it>.
  * 
  * This file is part of HelmPot, a minimal browser for HELM.
  * 
@@ -213,8 +213,6 @@ GUI_load_document(const gchar* name)
   klass = (GtkMathViewClass*) gtk_type_class(gtk_math_view_get_type());
   g_return_val_if_fail(klass != NULL, -1);
 
-  gdk_window_set_cursor(main_area->window, pot_cursor);  
-  loading = TRUE;
   res = gtk_math_view_load(math_view, name);
   gdk_window_set_cursor(main_area->window, normal_cursor);
   loading = FALSE;
@@ -307,7 +305,7 @@ help_about(GtkWidget* widget, gpointer data)
   GtkWidget* ok;
 
   dialog = gtk_dialog_new();
-  label = gtk_label_new("\n    HELM PoT    \n    Copyright (C) 2001 Luca Padovani    \n");
+  label = gtk_label_new("\n    HELM PoT    \n    Copyright (C) 2001-2002 Luca Padovani    \n");
   ok = gtk_button_new_with_label("Close");
 
   gtk_signal_connect_object (GTK_OBJECT (ok), "clicked",
@@ -462,7 +460,7 @@ save_as(GtkWidget* widget)
 }
 
 PRIVATE void
-element_changed(GtkMathView* math_view, mDOMNodeRef node)
+element_changed(GtkMathView* math_view, GdomeElement* elem)
 {
   g_return_if_fail(math_view != NULL);
   g_return_if_fail(main_area != NULL);
@@ -470,10 +468,30 @@ element_changed(GtkMathView* math_view, mDOMNodeRef node)
   /* fprintf(stderr, "node changed: %p %s\n", node, (node != NULL) ? mdom_node_get_name(node) : "-"); */
 
   if (!loading) {
-    while (node != NULL && !mdom_node_has_attribute_ns(node, DOM_CONST_STRING("href"), XLINK_NS_URI))
-      node = mdom_node_get_parent(node);
-
-    if (node != NULL) {
+    GdomeException exc = 0;
+    GdomeDOMString* namespaceURI = gdome_str_mkref(XLINK_NS_URI);
+    GdomeDOMString* localName = gdome_str_mkref("href");
+    
+    if (elem != NULL) {
+      gdome_el_ref(elem, &exc);
+      g_assert(exc == 0);
+    }
+
+    while (elem != NULL && !gdome_el_hasAttributeNS(elem, namespaceURI, localName, &exc)) {
+      GdomeElement* parent = gdome_cast_el(gdome_el_parentNode(elem, &exc));
+      g_assert(exc == 0);
+      gdome_el_unref(elem, &exc);
+      g_assert(exc == 0);
+      elem = parent;
+    }
+    g_assert(exc == 0);
+
+    gdome_str_unref(namespaceURI);
+    gdome_str_unref(localName);
+
+    if (elem != NULL) {
+      gdome_el_unref(elem, &exc);
+      g_assert(exc == 0);
       gdk_window_set_cursor(main_area->window, link_cursor);
     } else
       gdk_window_set_cursor(main_area->window, normal_cursor);
@@ -481,27 +499,48 @@ element_changed(GtkMathView* math_view, mDOMNodeRef node)
 }
 
 PRIVATE void
-selection_changed(GtkMathView* math_view, mDOMNodeRef node)
+selection_changed(GtkMathView* math_view, GdomeElement* elem)
 {
+  GdomeException exc = 0;
+  GdomeDOMString* localName = gdome_str_mkref("xref");
+
   g_return_if_fail(math_view != NULL);
   g_return_if_fail(GTK_IS_MATH_VIEW(math_view));
 
-  while (node != NULL && !mdom_node_has_attribute(node, DOM_CONST_STRING("xref")))
-    node = mdom_node_get_parent(node);
+  if (elem != NULL) {
+    gdome_el_ref(elem, &exc);
+    g_assert(exc == 0);
+  }
+
+  while (elem != NULL && !gdome_el_hasAttribute(elem, localName, &exc)) {
+    GdomeElement* parent = gdome_cast_el(gdome_el_parentNode(elem, &exc));
+    g_assert(exc == 0);
+    gdome_el_unref(elem, &exc);
+    g_assert(exc == 0);
+    elem = parent;
+  }
+
+  gdome_str_unref(localName);
 
-  gtk_math_view_set_selection(math_view, node);
+  gtk_math_view_set_selection(math_view, elem);
+  if (elem != NULL) {
+    gdome_el_unref(elem, &exc);
+    g_assert(exc == 0);
+  }
 }
 
 PRIVATE void
-jump(mDOMConstStringRef href)
+jump(GdomeDOMString* href)
 {
   pid_t pid;
   g_return_if_fail(href != NULL);
 
+  gdk_window_set_cursor(main_area->window, pot_cursor);  
+  loading = TRUE;
   pid = fork();
   if (pid == -1) exit(-1);
   if (pid == 0) {
-    gchar* open_url = g_strdup_printf("openURL(%s,cic)", href);
+    gchar* open_url = g_strdup_printf("openURL(%s,cic)", href->str);
     gint fd;
     
     close(0);
@@ -521,18 +560,40 @@ jump(mDOMConstStringRef href)
 PRIVATE void
 clicked(GtkMathView* math_view, gpointer user_data)
 {
-  mDOMNodeRef p = gtk_math_view_get_element(math_view);
-  while (p != NULL && !mdom_node_has_attribute_ns(p, DOM_CONST_STRING("href"), XLINK_NS_URI))
-    p = mdom_node_get_parent(p);
+  GdomeException exc = 0;
+  GdomeDOMString* namespaceURI = gdome_str_mkref(XLINK_NS_URI);
+  GdomeDOMString* localName = gdome_str_mkref("href");
+
+  GdomeElement* p = gtk_math_view_get_element(math_view);
+  while (p != NULL && !gdome_el_hasAttributeNS(p, namespaceURI, localName, &exc)) {
+    GdomeElement* parent = gdome_cast_el(gdome_el_parentNode(p, &exc));
+    g_assert(exc == 0);
+    gdome_el_unref(p, &exc);
+    g_assert(exc == 0);
+    p = parent;
+  }
+  g_assert(exc == 0);
 
   if (p != NULL) {
-    mDOMStringRef href = mdom_node_get_attribute_ns(p, DOM_CONST_STRING("href"), XLINK_NS_URI);
+    GdomeDOMString* href = gdome_el_getAttributeNS(p, namespaceURI, localName, &exc);
+    g_assert(exc == 0);
     g_assert(href != NULL);
 
-    jump(C_CONST_STRING(href));
-    mdom_string_free(href);
-  } else if (gtk_math_view_get_action(math_view) != NULL)
-    gtk_math_view_action_toggle(math_view);
+    jump(href);
+    gdome_str_unref(href);
+    gdome_el_unref(p, &exc);
+    g_assert(exc == 0);
+  } else {
+    p = gtk_math_view_get_action(math_view);
+    if (p != NULL) {
+      gtk_math_view_action_toggle(math_view);
+      gdome_el_unref(p, &exc);
+      g_assert(exc == 0);
+    }
+  }
+
+  gdome_str_unref(namespaceURI);
+  gdome_str_unref(localName);
 }
 
 PRIVATE void
@@ -620,3 +681,4 @@ get_main_menu()
 
   return gtk_item_factory_get_widget(item_factory, "<main>");
 }
+