diff options
Diffstat (limited to 'gtk/gtkcssmatcher.c')
| -rw-r--r-- | gtk/gtkcssmatcher.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/gtk/gtkcssmatcher.c b/gtk/gtkcssmatcher.c deleted file mode 100644 index 4f85eb1810..0000000000 --- a/gtk/gtkcssmatcher.c +++ /dev/null @@ -1,190 +0,0 @@ -/* GTK - The GIMP Toolkit - * Copyright (C) 2012 Benjamin Otte <otte@gnome.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "config.h" - -#include "gtkcssmatcherprivate.h" - -#include "gtkcssnodedeclarationprivate.h" -#include "gtkcssnodeprivate.h" - -void -gtk_css_matcher_print (const GtkCssMatcher *matcher, - GString *string) -{ - matcher->klass->print (matcher, string); -} - -char * -gtk_css_matcher_to_string (const GtkCssMatcher *matcher) -{ - GString *string = g_string_new (""); - gtk_css_matcher_print (matcher, string); - return g_string_free (string, FALSE); -} - -/* GTK_CSS_MATCHER_NODE */ - -static gboolean -gtk_css_matcher_node_get_parent (GtkCssMatcher *matcher, - const GtkCssMatcher *child) -{ - GtkCssNode *node; - - node = gtk_css_node_get_parent (child->node.node); - if (node == NULL) - return FALSE; - - _gtk_css_matcher_node_init (matcher, node); - return TRUE; -} - -static GtkCssNode * -get_previous_visible_sibling (GtkCssNode *node) -{ - do { - node = gtk_css_node_get_previous_sibling (node); - } while (node && !gtk_css_node_get_visible (node)); - - return node; -} - -static GtkCssNode * -get_next_visible_sibling (GtkCssNode *node) -{ - do { - node = gtk_css_node_get_next_sibling (node); - } while (node && !gtk_css_node_get_visible (node)); - - return node; -} - -static gboolean -gtk_css_matcher_node_get_previous (GtkCssMatcher *matcher, - const GtkCssMatcher *next) -{ - GtkCssNode *node; - - node = get_previous_visible_sibling (next->node.node); - if (node == NULL) - return FALSE; - - _gtk_css_matcher_node_init (matcher, node); - return TRUE; -} - -static gboolean -gtk_css_matcher_node_has_state (const GtkCssMatcher *matcher, - GtkStateFlags state) -{ - return (gtk_css_node_get_state (matcher->node.node) & state) == state; -} - -static gboolean -gtk_css_matcher_node_has_name (const GtkCssMatcher *matcher, - /*interned*/ const char *name) -{ - return gtk_css_node_get_name (matcher->node.node) == name; -} - -static gboolean -gtk_css_matcher_node_has_class (const GtkCssMatcher *matcher, - GQuark class_name) -{ - return gtk_css_node_has_class (matcher->node.node, class_name); -} - -static gboolean -gtk_css_matcher_node_has_id (const GtkCssMatcher *matcher, - const char *id) -{ - /* assume all callers pass an interned string */ - return gtk_css_node_get_id (matcher->node.node) == id; -} - -static gboolean -gtk_css_matcher_node_nth_child (GtkCssNode *node, - GtkCssNode *(* prev_node_func) (GtkCssNode *), - int a, - int b) -{ - int pos, x; - - /* special-case the common "first-child" and "last-child" */ - if (a == 0) - { - while (b > 0 && node != NULL) - { - b--; - node = prev_node_func (node); - } - - return b == 0 && node == NULL; - } - - /* count nodes */ - for (pos = 0; node != NULL; pos++) - node = prev_node_func (node); - - /* solve pos = a * X + b - * and return TRUE if X is integer >= 0 */ - x = pos - b; - - if (x % a) - return FALSE; - - return x / a >= 0; -} - -static gboolean -gtk_css_matcher_node_has_position (const GtkCssMatcher *matcher, - gboolean forward, - int a, - int b) -{ - return gtk_css_matcher_node_nth_child (matcher->node.node, - forward ? get_previous_visible_sibling - : get_next_visible_sibling, - a, b); -} - -static void -gtk_css_matcher_node_print (const GtkCssMatcher *matcher, - GString *string) -{ - gtk_css_node_print (matcher->node.node, 0, string, 0); -} - -static const GtkCssMatcherClass GTK_CSS_MATCHER_NODE = { - GTK_CSS_MATCHER_TYPE_NODE, - gtk_css_matcher_node_get_parent, - gtk_css_matcher_node_get_previous, - gtk_css_matcher_node_has_state, - gtk_css_matcher_node_has_name, - gtk_css_matcher_node_has_class, - gtk_css_matcher_node_has_id, - gtk_css_matcher_node_has_position, - gtk_css_matcher_node_print -}; - -void -_gtk_css_matcher_node_init (GtkCssMatcher *matcher, - GtkCssNode *node) -{ - matcher->node.klass = >K_CSS_MATCHER_NODE; - matcher->node.node = node; -} |