AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity
1caf197a0d
gtk2/gtk/gtkcssmatcher.c
Matthias Clasen 192a24fa1f css: Track selected state separately 
Like the previous change, this reduces the number of
css nodes reacting to parent-state changes. The remaining
parent-state cases here are due to :link.

Before (numbers from widget-factory with Adwaita):
2247 nodes
class 612
name 2246
id 2
first-child 148
last-child 156
state 2245
hover 562
disabled 859
backdrop 1080
sibling-name 63
sibling-disabled 51
parent-class 586
parent-name 788
parent-id 2
parent-first-child 78
parent-last-child 78
parent-state 236
parent-hover 5
parent-disabled 91
parent-backdrop 4

After:
2247 nodes
class 612
name 2246
id 2
first-child 148
last-child 156
state 2245
hover 562
disabled 859
backdrop 1080
selected 579
sibling-name 63
sibling-disabled 51
parent-class 586
parent-name 788
parent-id 2
parent-first-child 78
parent-last-child 78
parent-state 115
parent-hover 5
parent-disabled 91
parent-backdrop 4
parent-selected 144
2020-01-16 11:26:46 -05:00

539 lines
16 KiB
C
Raw Blame History

/* 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"
#include "gtkwidgetpath.h"
/* GTK_CSS_MATCHER_WIDGET_PATH */
static gboolean
gtk_css_matcher_widget_path_get_parent (GtkCssMatcher *matcher,
const GtkCssMatcher *child)
{
if (child->path.index == 0)
return FALSE;
matcher->path.klass = child->path.klass;
matcher->path.decl = NULL;
matcher->path.path = child->path.path;
matcher->path.index = child->path.index - 1;
matcher->path.sibling_index = gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index);
return TRUE;
}
static gboolean
gtk_css_matcher_widget_path_get_previous (GtkCssMatcher *matcher,
const GtkCssMatcher *next)
{
if (next->path.sibling_index == 0)
return FALSE;
matcher->path.klass = next->path.klass;
matcher->path.decl = NULL;
matcher->path.path = next->path.path;
matcher->path.index = next->path.index;
matcher->path.sibling_index = next->path.sibling_index - 1;
return TRUE;
}
static GtkStateFlags
gtk_css_matcher_widget_path_get_state (const GtkCssMatcher *matcher)
{
const GtkWidgetPath *siblings;
if (matcher->path.decl)
return gtk_css_node_declaration_get_state (matcher->path.decl);
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
return gtk_widget_path_iter_get_state (siblings, matcher->path.sibling_index);
else
return gtk_widget_path_iter_get_state (matcher->path.path, matcher->path.index);
}
static gboolean
gtk_css_matcher_widget_path_has_name (const GtkCssMatcher *matcher,
/*interned*/ const char *name)
{
const GtkWidgetPath *siblings;
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
{
const char *path_name = gtk_widget_path_iter_get_object_name (siblings, matcher->path.sibling_index);
if (path_name == NULL)
path_name = g_type_name (gtk_widget_path_iter_get_object_type (siblings, matcher->path.sibling_index));
return path_name == name;
}
else
{
const char *path_name = gtk_widget_path_iter_get_object_name (matcher->path.path, matcher->path.index);
if (path_name == NULL)
path_name = g_type_name (gtk_widget_path_iter_get_object_type (matcher->path.path, matcher->path.index));
return path_name == name;
}
}
static gboolean
gtk_css_matcher_widget_path_has_class (const GtkCssMatcher *matcher,
GQuark class_name)
{
const GtkWidgetPath *siblings;
if (matcher->path.decl &&
gtk_css_node_declaration_has_class (matcher->path.decl, class_name))
return TRUE;
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
return gtk_widget_path_iter_has_qclass (siblings, matcher->path.sibling_index, class_name);
else
return gtk_widget_path_iter_has_qclass (matcher->path.path, matcher->path.index, class_name);
}
static gboolean
gtk_css_matcher_widget_path_has_id (const GtkCssMatcher *matcher,
const char *id)
{
const GtkWidgetPath *siblings;
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
return gtk_widget_path_iter_has_name (siblings, matcher->path.sibling_index, id);
else
return gtk_widget_path_iter_has_name (matcher->path.path, matcher->path.index, id);
}
static gboolean
gtk_css_matcher_widget_path_has_position (const GtkCssMatcher *matcher,
gboolean forward,
int a,
int b)
{
const GtkWidgetPath *siblings;
int x;
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (!siblings)
return FALSE;
if (forward)
x = matcher->path.sibling_index + 1;
else
x = gtk_widget_path_length (siblings) - matcher->path.sibling_index;
x -= b;
if (a == 0)
return x == 0;
if (x % a)
return FALSE;
return x / a >= 0;
}
static const GtkCssMatcherClass GTK_CSS_MATCHER_WIDGET_PATH = {
gtk_css_matcher_widget_path_get_parent,
gtk_css_matcher_widget_path_get_previous,
gtk_css_matcher_widget_path_get_state,
gtk_css_matcher_widget_path_has_name,
gtk_css_matcher_widget_path_has_class,
gtk_css_matcher_widget_path_has_id,
gtk_css_matcher_widget_path_has_position,
FALSE
};
gboolean
_gtk_css_matcher_init (GtkCssMatcher *matcher,
const GtkWidgetPath *path,
const GtkCssNodeDeclaration *decl)
{
if (gtk_widget_path_length (path) == 0)
return FALSE;
matcher->path.klass = &GTK_CSS_MATCHER_WIDGET_PATH;
matcher->path.decl = decl;
matcher->path.path = path;
matcher->path.index = gtk_widget_path_length (path) - 1;
matcher->path.sibling_index = gtk_widget_path_iter_get_sibling_index (path, matcher->path.index);
return TRUE;
}
/* 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;
return gtk_css_node_init_matcher (node, matcher);
}
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;
return gtk_css_node_init_matcher (node, matcher);
}
static GtkStateFlags
gtk_css_matcher_node_get_state (const GtkCssMatcher *matcher)
{
return matcher->node.node_state;
}
static gboolean
gtk_css_matcher_node_has_name (const GtkCssMatcher *matcher,
/*interned*/ const char *name)
{
return matcher->node.node_name == name;
}
static gboolean
gtk_css_matcher_node_has_class (const GtkCssMatcher *matcher,
GQuark class_name)
{
const GQuark *classes = matcher->node.classes;
switch (matcher->node.n_classes)
{
case 3:
if (classes[2] == class_name)
return TRUE;
G_GNUC_FALLTHROUGH;
case 2:
if (classes[1] == class_name)
return TRUE;
G_GNUC_FALLTHROUGH;
case 1:
if (classes[0] == class_name)
return TRUE;
G_GNUC_FALLTHROUGH;
case 0:
return FALSE;
default:
return gtk_css_node_has_class (matcher->node.node, class_name);
}
return FALSE;
}
static gboolean
gtk_css_matcher_node_has_id (const GtkCssMatcher *matcher,
const char *id)
{
/* assume all callers pass an interned string */
return matcher->node.node_id == 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 const GtkCssMatcherClass GTK_CSS_MATCHER_NODE = {
gtk_css_matcher_node_get_parent,
gtk_css_matcher_node_get_previous,
gtk_css_matcher_node_get_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,
FALSE
};
void
_gtk_css_matcher_node_init (GtkCssMatcher *matcher,
GtkCssNode *node)
{
matcher->node.klass = &GTK_CSS_MATCHER_NODE;
matcher->node.node = node;
matcher->node.node_state = gtk_css_node_get_state (node);
matcher->node.node_name = gtk_css_node_get_name (node);
matcher->node.node_id = gtk_css_node_get_id (node);
matcher->node.classes = gtk_css_node_declaration_get_classes (gtk_css_node_get_declaration (node),
&matcher->node.n_classes);
}
/* GTK_CSS_MATCHER_WIDGET_ANY */
static gboolean
gtk_css_matcher_any_get_parent (GtkCssMatcher *matcher,
const GtkCssMatcher *child)
{
_gtk_css_matcher_any_init (matcher);
return TRUE;
}
static gboolean
gtk_css_matcher_any_get_previous (GtkCssMatcher *matcher,
const GtkCssMatcher *next)
{
_gtk_css_matcher_any_init (matcher);
return TRUE;
}
static GtkStateFlags
gtk_css_matcher_any_get_state (const GtkCssMatcher *matcher)
{
/* XXX: This gets tricky when we implement :not() */
return GTK_STATE_FLAG_ACTIVE | GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_SELECTED
| GTK_STATE_FLAG_INSENSITIVE | GTK_STATE_FLAG_INCONSISTENT
| GTK_STATE_FLAG_FOCUSED | GTK_STATE_FLAG_BACKDROP | GTK_STATE_FLAG_LINK
| GTK_STATE_FLAG_VISITED;
}
static gboolean
gtk_css_matcher_any_has_name (const GtkCssMatcher *matcher,
/*interned*/ const char *name)
{
return TRUE;
}
static gboolean
gtk_css_matcher_any_has_class (const GtkCssMatcher *matcher,
GQuark class_name)
{
return TRUE;
}
static gboolean
gtk_css_matcher_any_has_id (const GtkCssMatcher *matcher,
const char *id)
{
return TRUE;
}
static gboolean
gtk_css_matcher_any_has_position (const GtkCssMatcher *matcher,
gboolean forward,
int a,
int b)
{
return TRUE;
}
static const GtkCssMatcherClass GTK_CSS_MATCHER_ANY = {
gtk_css_matcher_any_get_parent,
gtk_css_matcher_any_get_previous,
gtk_css_matcher_any_get_state,
gtk_css_matcher_any_has_name,
gtk_css_matcher_any_has_class,
gtk_css_matcher_any_has_id,
gtk_css_matcher_any_has_position,
TRUE
};
void
_gtk_css_matcher_any_init (GtkCssMatcher *matcher)
{
matcher->klass = &GTK_CSS_MATCHER_ANY;
}
/* GTK_CSS_MATCHER_WIDGET_SUPERSET */
static gboolean
gtk_css_matcher_superset_get_parent (GtkCssMatcher *matcher,
const GtkCssMatcher *child)
{
_gtk_css_matcher_any_init (matcher);
return TRUE;
}
static gboolean
gtk_css_matcher_superset_get_previous (GtkCssMatcher *matcher,
const GtkCssMatcher *next)
{
_gtk_css_matcher_any_init (matcher);
return TRUE;
}
static GtkStateFlags
gtk_css_matcher_superset_get_state (const GtkCssMatcher *matcher)
{
/* XXX: This gets tricky when we implement :not() */
if (matcher->superset.relevant & GTK_CSS_CHANGE_STATE)
return _gtk_css_matcher_get_state (matcher->superset.subset);
else
return GTK_STATE_FLAG_ACTIVE | GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_SELECTED
| GTK_STATE_FLAG_INSENSITIVE | GTK_STATE_FLAG_INCONSISTENT
| GTK_STATE_FLAG_FOCUSED | GTK_STATE_FLAG_BACKDROP | GTK_STATE_FLAG_LINK
| GTK_STATE_FLAG_VISITED;
}
static gboolean
gtk_css_matcher_superset_has_name (const GtkCssMatcher *matcher,
/*interned*/ const char *name)
{
if (matcher->superset.relevant & GTK_CSS_CHANGE_NAME)
return _gtk_css_matcher_has_name (matcher->superset.subset, name);
else
return TRUE;
}
static gboolean
gtk_css_matcher_superset_has_class (const GtkCssMatcher *matcher,
GQuark class_name)
{
if (matcher->superset.relevant & GTK_CSS_CHANGE_CLASS)
return _gtk_css_matcher_has_class (matcher->superset.subset, class_name);
else
return TRUE;
}
static gboolean
gtk_css_matcher_superset_has_id (const GtkCssMatcher *matcher,
const char *id)
{
if (matcher->superset.relevant & GTK_CSS_CHANGE_NAME)
return _gtk_css_matcher_has_id (matcher->superset.subset, id);
else
return TRUE;
}
static gboolean
gtk_css_matcher_superset_has_position (const GtkCssMatcher *matcher,
gboolean forward,
int a,
int b)
{
if (matcher->superset.relevant & GTK_CSS_CHANGE_POSITION)
return _gtk_css_matcher_has_position (matcher->superset.subset, forward, a, b);
else
return TRUE;
}
static const GtkCssMatcherClass GTK_CSS_MATCHER_SUPERSET = {
gtk_css_matcher_superset_get_parent,
gtk_css_matcher_superset_get_previous,
gtk_css_matcher_superset_get_state,
gtk_css_matcher_superset_has_name,
gtk_css_matcher_superset_has_class,
gtk_css_matcher_superset_has_id,
gtk_css_matcher_superset_has_position,
FALSE
};
void
_gtk_css_matcher_superset_init (GtkCssMatcher *matcher,
const GtkCssMatcher *subset,
GtkCssChange relevant)
{
g_return_if_fail (subset != NULL);
g_return_if_fail ((relevant & ~(GTK_CSS_CHANGE_CLASS | GTK_CSS_CHANGE_NAME | GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_STATE | GTK_CSS_CHANGE_HOVER | GTK_CSS_CHANGE_DISABLED | GTK_CSS_CHANGE_BACKDROP | GTK_CSS_CHANGE_SELECTED)) == 0);
matcher->superset.klass = &GTK_CSS_MATCHER_SUPERSET;
matcher->superset.subset = subset;
matcher->superset.relevant = relevant;
}
Reference in New Issue View Git Blame Copy Permalink