gtk2/gtk/gtkcsstypes.c
Benjamin Otte 4141a7d7c8 csstypes: Propagate NTH_CHILD and NTH_LAST_CHILD to siblings
Otherwise, we'd have to mark eveyr child on changes, and it's far easier
to do that once we actually validate.
2015-11-09 01:48:14 +01:00

151 lines
5.4 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2011 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 "gtkcsstypesprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkstylecontextprivate.h"
GtkCssChange
_gtk_css_change_for_sibling (GtkCssChange match)
{
#define BASE_STATES ( GTK_CSS_CHANGE_CLASS \
| GTK_CSS_CHANGE_NAME \
| GTK_CSS_CHANGE_ID \
| GTK_CSS_CHANGE_FIRST_CHILD \
| GTK_CSS_CHANGE_LAST_CHILD \
| GTK_CSS_CHANGE_NTH_CHILD \
| GTK_CSS_CHANGE_NTH_LAST_CHILD \
| GTK_CSS_CHANGE_STATE )
#define KEEP_STATES ( ~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE) \
| GTK_CSS_CHANGE_NTH_CHILD \
| GTK_CSS_CHANGE_NTH_LAST_CHILD)
#define SIBLING_SHIFT 8
return (match & KEEP_STATES) | ((match & BASE_STATES) << SIBLING_SHIFT);
#undef BASE_STATES
#undef KEEP_STATES
#undef SIBLING_SHIFT
}
GtkCssChange
_gtk_css_change_for_child (GtkCssChange match)
{
#define BASE_STATES ( GTK_CSS_CHANGE_CLASS \
| GTK_CSS_CHANGE_NAME \
| GTK_CSS_CHANGE_ID \
| GTK_CSS_CHANGE_FIRST_CHILD \
| GTK_CSS_CHANGE_LAST_CHILD \
| GTK_CSS_CHANGE_NTH_CHILD \
| GTK_CSS_CHANGE_NTH_LAST_CHILD \
| GTK_CSS_CHANGE_STATE \
| GTK_CSS_CHANGE_SIBLING_CLASS \
| GTK_CSS_CHANGE_SIBLING_NAME \
| GTK_CSS_CHANGE_SIBLING_ID \
| GTK_CSS_CHANGE_SIBLING_FIRST_CHILD \
| GTK_CSS_CHANGE_SIBLING_LAST_CHILD \
| GTK_CSS_CHANGE_SIBLING_NTH_CHILD \
| GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD \
| GTK_CSS_CHANGE_SIBLING_STATE )
#define PARENT_SHIFT 16
return (match & ~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE)) | ((match & BASE_STATES) << PARENT_SHIFT);
#undef BASE_STATES
#undef PARENT_SHIFT
}
void
gtk_css_change_print (GtkCssChange change,
GString *string)
{
const struct {
GtkCssChange flags;
const char *name;
} names[] = {
{ GTK_CSS_CHANGE_CLASS, "class" },
{ GTK_CSS_CHANGE_NAME, "name" },
{ GTK_CSS_CHANGE_ID, "id" },
{ GTK_CSS_CHANGE_FIRST_CHILD, "first-child" },
{ GTK_CSS_CHANGE_LAST_CHILD, "last-child" },
{ GTK_CSS_CHANGE_NTH_CHILD, "nth-child" },
{ GTK_CSS_CHANGE_NTH_LAST_CHILD, "nth-last-child" },
{ GTK_CSS_CHANGE_STATE, "state" },
{ GTK_CSS_CHANGE_SIBLING_CLASS, "sibling-class" },
{ GTK_CSS_CHANGE_SIBLING_NAME, "sibling-name" },
{ GTK_CSS_CHANGE_SIBLING_ID, "sibling-id" },
{ GTK_CSS_CHANGE_SIBLING_FIRST_CHILD, "sibling-first-child" },
{ GTK_CSS_CHANGE_SIBLING_LAST_CHILD, "sibling-last-child" },
{ GTK_CSS_CHANGE_SIBLING_NTH_CHILD, "sibling-nth-child" },
{ GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD, "sibling-nth-last-child" },
{ GTK_CSS_CHANGE_SIBLING_STATE, "sibling-state" },
{ GTK_CSS_CHANGE_PARENT_CLASS, "parent-class" },
{ GTK_CSS_CHANGE_PARENT_NAME, "parent-name" },
{ GTK_CSS_CHANGE_PARENT_ID, "parent-id" },
{ GTK_CSS_CHANGE_PARENT_FIRST_CHILD, "parent-first-child" },
{ GTK_CSS_CHANGE_PARENT_LAST_CHILD, "parent-last-child" },
{ GTK_CSS_CHANGE_PARENT_NTH_CHILD, "parent-nth-child" },
{ GTK_CSS_CHANGE_PARENT_NTH_LAST_CHILD, "parent-nth-last-child" },
{ GTK_CSS_CHANGE_PARENT_STATE, "parent-state" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_CLASS, "parent-sibling-" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_NAME, "parent-sibling-name" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_ID, "parent-sibling-id" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_FIRST_CHILD, "parent-sibling-first-child" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_LAST_CHILD, "parent-sibling-last-child" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_NTH_CHILD, "parent-sibling-nth-child" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_NTH_LAST_CHILD, "parent-sibling-nth-last-child" },
{ GTK_CSS_CHANGE_PARENT_SIBLING_STATE, "parent-sibling-state" },
{ GTK_CSS_CHANGE_SOURCE, "source" },
{ GTK_CSS_CHANGE_PARENT_STYLE, "parent-style" },
{ GTK_CSS_CHANGE_TIMESTAMP, "timestamp" },
{ GTK_CSS_CHANGE_ANIMATIONS, "animations" },
};
guint i;
gboolean first;
first = TRUE;
for (i = 0; i < G_N_ELEMENTS (names); i++)
{
if (change & names[i].flags)
{
if (first)
first = FALSE;
else
g_string_append (string, "|");
g_string_append (string, names[i].name);
}
}
}
char *
gtk_css_change_to_string (GtkCssChange change)
{
GString *string = g_string_new (NULL);
gtk_css_change_print (change, string);
return g_string_free (string, FALSE);
}