void
_gtk_rbtree_remove (GtkRBTree *tree)
{
#ifdef G_ENABLE_DEBUG
GtkRBTree *tmp_tree;
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
_gtk_rbtree_test (G_STRLOC, tree);
#endif
/* ugly hack to make _fixup_validation work in the first iteration of the
* loop below */
GTK_RBNODE_UNSET_FLAG (tree->root, GTK_RBNODE_DESCENDANTS_INVALID);
gtk_rbnode_adjust (tree->parent_tree,
tree->parent_node,
0,
- (int) tree->root->total_count,
- tree->root->offset);
#ifdef G_ENABLE_DEBUG
tmp_tree = tree->parent_tree;
#endif
_gtk_rbtree_free (tree);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
_gtk_rbtree_test (G_STRLOC, tmp_tree);
#endif
}
void
_gtk_pixel_cache_repaint (GtkPixelCache *cache,
GtkPixelCacheDrawFunc draw,
cairo_rectangle_int_t *view_rect,
cairo_rectangle_int_t *canvas_rect,
gpointer user_data)
{
cairo_t *backing_cr;
if (cache->surface &&
cache->surface_dirty &&
!cairo_region_is_empty (cache->surface_dirty))
{
backing_cr = cairo_create (cache->surface);
gdk_cairo_region (backing_cr, cache->surface_dirty);
cairo_clip (backing_cr);
cairo_translate (backing_cr,
-cache->surface_x - canvas_rect->x - view_rect->x,
-cache->surface_y - canvas_rect->y - view_rect->y);
cairo_set_source_rgba (backing_cr,
0.0, 0, 0, 0.0);
cairo_set_operator (backing_cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (backing_cr);
cairo_set_operator (backing_cr, CAIRO_OPERATOR_OVER);
cairo_save (backing_cr);
draw (backing_cr, user_data);
cairo_restore (backing_cr);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_PIXEL_CACHE)
{
GdkRGBA colors[] = {
{ 1, 0, 0, 0.08},
{ 0, 1, 0, 0.08},
{ 0, 0, 1, 0.08},
{ 1, 0, 1, 0.08},
{ 1, 1, 0, 0.08},
{ 0, 1, 1, 0.08},
};
static int current_color = 0;
gdk_cairo_set_source_rgba (backing_cr, &colors[(current_color++) % G_N_ELEMENTS (colors)]);
cairo_paint (backing_cr);
}
#endif
cairo_destroy (backing_cr);
}
if (cache->surface_dirty)
{
cairo_region_destroy (cache->surface_dirty);
cache->surface_dirty = NULL;
}
}
static void
_gtk_rbnode_free (GtkRBNode *node)
{
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
{
node->left = (gpointer) 0xdeadbeef;
node->right = (gpointer) 0xdeadbeef;
node->parent = (gpointer) 0xdeadbeef;
node->total_count = 56789;
node->offset = 56789;
node->count = 56789;
node->flags = 0;
}
#endif
g_slice_free (GtkRBNode, node);
}
void
_gtk_rbtree_node_set_height (GtkRBTree *tree,
GtkRBNode *node,
gint height)
{
gint diff = height - GTK_RBNODE_GET_HEIGHT (node);
if (diff == 0)
return;
gtk_rbnode_adjust (tree, node, 0, 0, diff);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
_gtk_rbtree_test (G_STRLOC, tree);
#endif
}
void
gtk_css_node_validate_internal (GtkCssNode *cssnode,
gint64 timestamp)
{
GtkCssNode *child;
/* If you run your application with
* GTK_DEBUG=no-css-cache
* every invalidation will purge the cache and completely query
* everything anew form the cache. This is slow (in particular
* when animating), but useful for figuring out bugs.
*
* We achieve that by pretending that everything that could have
* changed has and so we of course totally need to redo everything.
*
* Note that this also completely revalidates child widgets all
* the time.
*/
if (G_UNLIKELY (gtk_get_debug_flags () & GTK_DEBUG_NO_CSS_CACHE))
cssnode->pending_changes |= GTK_CSS_CHANGE_ANY;
if (!cssnode->invalid)
return;
gtk_css_node_ensure_style (cssnode, timestamp);
/* need to set to FALSE then to TRUE here to make it chain up */
gtk_css_node_set_invalid (cssnode, FALSE);
if (!gtk_css_style_is_static (cssnode->style))
gtk_css_node_set_invalid (cssnode, TRUE);
GTK_CSS_NODE_GET_CLASS (cssnode)->validate (cssnode);
for (child = gtk_css_node_get_first_child (cssnode);
child;
child = gtk_css_node_get_next_sibling (child))
{
if (child->visible)
gtk_css_node_validate_internal (child, timestamp);
}
}
GtkIconCache *
_gtk_icon_cache_new_for_path (const gchar *path)
{
GtkIconCache *cache = NULL;
GMappedFile *map;
gchar *cache_filename;
gint fd = -1;
GStatBuf st;
GStatBuf path_st;
/* Check if we have a cache file */
cache_filename = g_build_filename (path, "icon-theme.cache", NULL);
GTK_NOTE (ICONTHEME,
g_print ("look for cache in %s\n", path));
if (g_stat (path, &path_st) < 0)
goto done;
/* Open the file and map it into memory */
fd = g_open (cache_filename, O_RDONLY|_O_BINARY, 0);
if (fd < 0)
goto done;
#ifdef G_OS_WIN32
/* Bug 660730: _fstat32 is only defined in msvcrt80.dll+/VS 2005+ */
/* or possibly in the msvcrt.dll linked to by the Windows DDK */
/* (will need to check on the Windows DDK part later) */
#if (_MSC_VER >= 1400 || __MSVCRT_VERSION__ >= 0x0800)
#undef fstat /* Just in case */
#define fstat _fstat32
#endif
#endif
if (fstat (fd, &st) < 0 || st.st_size < 4)
goto done;
/* Verify cache is uptodate */
if (st.st_mtime < path_st.st_mtime)
{
GTK_NOTE (ICONTHEME,
g_print ("cache outdated\n"));
goto done;
}
map = g_mapped_file_new (cache_filename, FALSE, NULL);
if (!map)
goto done;
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_ICONTHEME)
{
CacheInfo info;
info.cache = g_mapped_file_get_contents (map);
info.cache_size = g_mapped_file_get_length (map);
info.n_directories = 0;
info.flags = CHECK_OFFSETS|CHECK_STRINGS;
if (!_gtk_icon_cache_validate (&info))
{
g_mapped_file_unref (map);
g_warning ("Icon cache '%s' is invalid\n", cache_filename);
goto done;
}
}
#endif
GTK_NOTE (ICONTHEME, g_print ("found cache for %s\n", path));
cache = g_new0 (GtkIconCache, 1);
cache->ref_count = 1;
cache->map = map;
cache->buffer = g_mapped_file_get_contents (map);
done:
g_free (cache_filename);
if (fd >= 0)
close (fd);
return cache;
}
GtkRBNode *
_gtk_rbtree_insert_before (GtkRBTree *tree,
GtkRBNode *current,
gint height,
gboolean valid)
{
GtkRBNode *node;
gboolean left = TRUE;
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
{
g_print ("\n\n_gtk_rbtree_insert_before: %p\n", current);
_gtk_rbtree_debug_spew (tree);
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
if (current != NULL && !_gtk_rbtree_is_nil (current->left))
{
current = current->left;
while (!_gtk_rbtree_is_nil (current->right))
current = current->right;
left = FALSE;
}
/* setup new node */
node = _gtk_rbnode_new (tree, height);
/* insert node in tree */
if (current)
{
node->parent = current;
if (left)
current->left = node;
else
current->right = node;
gtk_rbnode_adjust (tree, node->parent,
1, 1, height);
}
else
{
g_assert (_gtk_rbtree_is_nil (tree->root));
tree->root = node;
gtk_rbnode_adjust (tree->parent_tree, tree->parent_node,
0, 1, height);
}
if (valid)
_gtk_rbtree_node_mark_valid (tree, node);
else
_gtk_rbtree_node_mark_invalid (tree, node);
_gtk_rbtree_insert_fixup (tree, node);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
{
g_print ("_gtk_rbtree_insert_before finished...\n");
_gtk_rbtree_debug_spew (tree);
g_print ("\n\n");
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
return node;
}
void
_gtk_rbtree_remove_node (GtkRBTree *tree,
GtkRBNode *node)
{
GtkRBNode *x, *y;
gint y_height;
guint y_total_count;
g_return_if_fail (tree != NULL);
g_return_if_fail (node != NULL);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
{
g_print ("\n\n_gtk_rbtree_remove_node: %p\n", node);
_gtk_rbtree_debug_spew (tree);
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
/* make sure we're deleting a node that's actually in the tree */
for (x = node; !_gtk_rbtree_is_nil (x->parent); x = x->parent)
;
g_return_if_fail (x == tree->root);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
_gtk_rbtree_test (G_STRLOC, tree);
#endif
if (_gtk_rbtree_is_nil (node->left) ||
_gtk_rbtree_is_nil (node->right))
{
y = node;
}
else
{
y = node->right;
while (!_gtk_rbtree_is_nil (y->left))
y = y->left;
}
y_height = GTK_RBNODE_GET_HEIGHT (y)
+ (y->children ? y->children->root->offset : 0);
y_total_count = 1 + (y->children ? y->children->root->total_count : 0);
/* x is y's only child, or nil */
if (!_gtk_rbtree_is_nil (y->left))
x = y->left;
else
x = y->right;
/* remove y from the parent chain */
if (!_gtk_rbtree_is_nil (x))
x->parent = y->parent;
if (!_gtk_rbtree_is_nil (y->parent))
{
if (y == y->parent->left)
y->parent->left = x;
else
y->parent->right = x;
}
else
{
tree->root = x;
}
/* We need to clean up the validity of the tree.
*/
gtk_rbnode_adjust (tree, y, -1, - y_total_count, - y_height);
if (GTK_RBNODE_GET_COLOR (y) == GTK_RBNODE_BLACK)
_gtk_rbtree_remove_node_fixup (tree, x, y->parent);
if (y != node)
{
gint node_height, node_total_count;
/* We want to see how much we remove from the aggregate values.
* This is all the children we remove plus the node's values.
*/
node_height = GTK_RBNODE_GET_HEIGHT (node)
+ (node->children ? node->children->root->offset : 0);
node_total_count = 1
+ (node->children ? node->children->root->total_count : 0);
/* Move the node over */
if (GTK_RBNODE_GET_COLOR (node) != GTK_RBNODE_GET_COLOR (y))
y->flags ^= (GTK_RBNODE_BLACK | GTK_RBNODE_RED);
y->left = node->left;
if (!_gtk_rbtree_is_nil (y->left))
y->left->parent = y;
y->right = node->right;
if (!_gtk_rbtree_is_nil (y->right))
y->right->parent = y;
y->parent = node->parent;
if (!_gtk_rbtree_is_nil (y->parent))
{
if (y->parent->left == node)
y->parent->left = y;
else
y->parent->right = y;
}
else
{
tree->root = y;
}
y->count = node->count;
y->total_count = node->total_count;
y->offset = node->offset;
gtk_rbnode_adjust (tree, y,
0,
y_total_count - node_total_count,
y_height - node_height);
}
_gtk_rbnode_free (node);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
{
g_print ("_gtk_rbtree_remove_node finished...\n");
_gtk_rbtree_debug_spew (tree);
g_print ("\n\n");
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
}
static void
start_element (GMarkupParseContext *context,
const gchar *element_name,
const gchar **names,
const gchar **values,
gpointer user_data,
GError **error)
{
ParserData *data = (ParserData*)user_data;
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_BUILDER)
{
GString *tags = g_string_new ("");
int i;
for (i = 0; names[i]; i++)
g_string_append_printf (tags, "%s=\"%s\" ", names[i], values[i]);
if (i)
{
g_string_insert_c (tags, 0, ' ');
g_string_truncate (tags, tags->len - 1);
}
g_print ("<%s%s>\n", element_name, tags->str);
g_string_free (tags, TRUE);
}
#endif
if (!data->last_element && strcmp (element_name, "interface") != 0)
{
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_UNHANDLED_TAG,
_("Invalid root element: '%s'"),
element_name);
return;
}
data->last_element = element_name;
if (data->subparser)
if (!subparser_start (context, element_name, names, values,
data, error))
return;
if (strcmp (element_name, "requires") == 0)
parse_requires (data, element_name, names, values, error);
else if (strcmp (element_name, "object") == 0)
parse_object (context, data, element_name, names, values, error);
else if (strcmp (element_name, "template") == 0)
parse_template (context, data, element_name, names, values, error);
else if (data->requested_objects && !data->inside_requested_object)
{
/* If outside a requested object, simply ignore this tag */
return;
}
else if (strcmp (element_name, "child") == 0)
parse_child (data, element_name, names, values, error);
else if (strcmp (element_name, "property") == 0)
parse_property (data, element_name, names, values, error);
else if (strcmp (element_name, "signal") == 0)
parse_signal (data, element_name, names, values, error);
else if (strcmp (element_name, "interface") == 0)
parse_interface (data, element_name, names, values, error);
else if (strcmp (element_name, "menu") == 0)
_gtk_builder_menu_start (data, element_name, names, values, error);
else if (strcmp (element_name, "placeholder") == 0)
{
/* placeholder has no special treatmeant, but it needs an
* if clause to avoid an error below.
*/
}
else
if (!parse_custom (context, element_name, names, values,
data, error))
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_UNHANDLED_TAG,
_("Unhandled tag: '%s'"),
element_name);
}
static void
_gtk_pixel_cache_create_surface_if_needed (GtkPixelCache *cache,
GdkWindow *window,
cairo_rectangle_int_t *view_rect,
cairo_rectangle_int_t *canvas_rect)
{
cairo_rectangle_int_t rect;
int surface_w, surface_h;
cairo_content_t content;
cairo_pattern_t *bg;
double red, green, blue, alpha;
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_NO_PIXEL_CACHE)
return;
#endif
content = cache->content;
if (!content)
{
content = CAIRO_CONTENT_COLOR_ALPHA;
bg = gdk_window_get_background_pattern (window);
if (bg != NULL &&
cairo_pattern_get_type (bg) == CAIRO_PATTERN_TYPE_SOLID &&
cairo_pattern_get_rgba (bg, &red, &green, &blue, &alpha) == CAIRO_STATUS_SUCCESS &&
alpha == 1.0)
content = CAIRO_CONTENT_COLOR;
}
surface_w = view_rect->width;
if (canvas_rect->width > surface_w)
surface_w = MIN (surface_w + cache->extra_width, canvas_rect->width);
surface_h = view_rect->height;
if (canvas_rect->height > surface_h)
surface_h = MIN (surface_h + cache->extra_height, canvas_rect->height);
/* If current surface can't fit view_rect or is too large, kill it */
if (cache->surface != NULL &&
(cairo_surface_get_content (cache->surface) != content ||
cache->surface_w < MAX(view_rect->width, surface_w - ALLOW_SMALLER_SIZE) ||
cache->surface_w > surface_w + ALLOW_LARGER_SIZE ||
cache->surface_h < MAX(view_rect->height, surface_h - ALLOW_SMALLER_SIZE) ||
cache->surface_h > surface_h + ALLOW_LARGER_SIZE ||
cache->surface_scale != gdk_window_get_scale_factor (window)))
{
cairo_surface_destroy (cache->surface);
cache->surface = NULL;
if (cache->surface_dirty)
cairo_region_destroy (cache->surface_dirty);
cache->surface_dirty = NULL;
}
/* Don't allocate a surface if view >= canvas, as we won't
be scrolling then anyway */
if (cache->surface == NULL &&
(view_rect->width < canvas_rect->width ||
view_rect->height < canvas_rect->height))
{
cache->surface_x = -canvas_rect->x;
cache->surface_y = -canvas_rect->y;
cache->surface_w = surface_w;
cache->surface_h = surface_h;
cache->surface_scale = gdk_window_get_scale_factor (window);
cache->surface =
gdk_window_create_similar_surface (window, content,
surface_w, surface_h);
rect.x = 0;
rect.y = 0;
rect.width = surface_w;
rect.height = surface_h;
cache->surface_dirty =
cairo_region_create_rectangle (&rect);
}
}
