mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-09-30 02:57:38 +00:00
css: Factor out some of the position matching code
This commit is contained in:
parent
57e1e0de94
commit
03c626bb15
@ -1012,11 +1012,8 @@ gtk_css_selector_pseudoclass_position_print (const GtkCssSelector *selector,
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_css_selector_pseudoclass_position_match_for_region (const GtkCssSelector *selector,
|
||||
const GtkCssMatcher *matcher)
|
||||
get_selector_flags_for_position_region_match (const GtkCssSelector *selector, GtkRegionFlags *selector_flags)
|
||||
{
|
||||
GtkRegionFlags selector_flags;
|
||||
const GtkCssSelector *previous;
|
||||
PositionType type;
|
||||
int a, b;
|
||||
|
||||
@ -1025,30 +1022,44 @@ gtk_css_selector_pseudoclass_position_match_for_region (const GtkCssSelector *se
|
||||
{
|
||||
case POSITION_FORWARD:
|
||||
if (a == 0 && b == 1)
|
||||
selector_flags = GTK_REGION_FIRST;
|
||||
*selector_flags = GTK_REGION_FIRST;
|
||||
else if (a == 2 && b == 0)
|
||||
selector_flags = GTK_REGION_EVEN;
|
||||
*selector_flags = GTK_REGION_EVEN;
|
||||
else if (a == 2 && b == 1)
|
||||
selector_flags = GTK_REGION_ODD;
|
||||
*selector_flags = GTK_REGION_ODD;
|
||||
else
|
||||
return FALSE;
|
||||
break;
|
||||
case POSITION_BACKWARD:
|
||||
if (a == 0 && b == 1)
|
||||
selector_flags = GTK_REGION_LAST;
|
||||
*selector_flags = GTK_REGION_LAST;
|
||||
else
|
||||
return FALSE;
|
||||
break;
|
||||
case POSITION_ONLY:
|
||||
selector_flags = GTK_REGION_ONLY;
|
||||
*selector_flags = GTK_REGION_ONLY;
|
||||
break;
|
||||
case POSITION_SORTED:
|
||||
selector_flags = GTK_REGION_SORTED;
|
||||
*selector_flags = GTK_REGION_SORTED;
|
||||
break;
|
||||
default:
|
||||
g_assert_not_reached ();
|
||||
break;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_css_selector_pseudoclass_position_match_for_region (const GtkCssSelector *selector,
|
||||
const GtkCssMatcher *matcher)
|
||||
{
|
||||
GtkRegionFlags selector_flags;
|
||||
const GtkCssSelector *previous;
|
||||
|
||||
if (!get_selector_flags_for_position_region_match (selector, &selector_flags))
|
||||
return FALSE;
|
||||
|
||||
selector = gtk_css_selector_previous (selector);
|
||||
|
||||
if (!_gtk_css_matcher_has_region (matcher, selector->data, selector_flags))
|
||||
@ -1063,17 +1074,12 @@ gtk_css_selector_pseudoclass_position_match_for_region (const GtkCssSelector *se
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_css_selector_pseudoclass_position_match (const GtkCssSelector *selector,
|
||||
const GtkCssMatcher *matcher)
|
||||
get_position_match (const GtkCssSelector *selector,
|
||||
const GtkCssMatcher *matcher)
|
||||
{
|
||||
const GtkCssSelector *previous;
|
||||
PositionType type;
|
||||
int a, b;
|
||||
|
||||
previous = gtk_css_selector_previous (selector);
|
||||
if (previous && previous->class == >K_CSS_SELECTOR_REGION)
|
||||
return gtk_css_selector_pseudoclass_position_match_for_region (selector, matcher);
|
||||
|
||||
decode_position (selector, &type, &a, &b);
|
||||
switch (type)
|
||||
{
|
||||
@ -1097,6 +1103,22 @@ gtk_css_selector_pseudoclass_position_match (const GtkCssSelector *selector,
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_css_selector_pseudoclass_position_match (const GtkCssSelector *selector,
|
||||
const GtkCssMatcher *matcher)
|
||||
{
|
||||
const GtkCssSelector *previous;
|
||||
|
||||
previous = gtk_css_selector_previous (selector);
|
||||
if (previous && previous->class == >K_CSS_SELECTOR_REGION)
|
||||
return gtk_css_selector_pseudoclass_position_match_for_region (selector, matcher);
|
||||
|
||||
if (!get_position_match (selector, matcher))
|
||||
return FALSE;
|
||||
|
||||
return gtk_css_selector_match (previous, matcher);
|
||||
}
|
||||
|
||||
@ -1108,38 +1130,9 @@ gtk_css_selector_pseudoclass_position_tree_match_for_region (const GtkCssSelecto
|
||||
{
|
||||
const GtkCssSelectorTree *prev2;
|
||||
GtkRegionFlags selector_flags;
|
||||
PositionType type;
|
||||
int a, b;
|
||||
|
||||
decode_position (&tree->selector, &type, &a, &b);
|
||||
switch (type)
|
||||
{
|
||||
case POSITION_FORWARD:
|
||||
if (a == 0 && b == 1)
|
||||
selector_flags = GTK_REGION_FIRST;
|
||||
else if (a == 2 && b == 0)
|
||||
selector_flags = GTK_REGION_EVEN;
|
||||
else if (a == 2 && b == 1)
|
||||
selector_flags = GTK_REGION_ODD;
|
||||
else
|
||||
return;
|
||||
break;
|
||||
case POSITION_BACKWARD:
|
||||
if (a == 0 && b == 1)
|
||||
selector_flags = GTK_REGION_LAST;
|
||||
else
|
||||
return;
|
||||
break;
|
||||
case POSITION_ONLY:
|
||||
selector_flags = GTK_REGION_ONLY;
|
||||
break;
|
||||
case POSITION_SORTED:
|
||||
selector_flags = GTK_REGION_SORTED;
|
||||
break;
|
||||
default:
|
||||
g_assert_not_reached ();
|
||||
break;
|
||||
}
|
||||
if (!get_selector_flags_for_position_region_match (&tree->selector, &selector_flags))
|
||||
return;
|
||||
|
||||
if (!_gtk_css_matcher_has_region (matcher, prev->selector.data, selector_flags))
|
||||
return;
|
||||
@ -1162,8 +1155,6 @@ gtk_css_selector_pseudoclass_position_tree_match (const GtkCssSelectorTree *tree
|
||||
GHashTable *res)
|
||||
{
|
||||
const GtkCssSelectorTree *prev;
|
||||
PositionType type;
|
||||
int a, b;
|
||||
|
||||
for (prev = gtk_css_selector_tree_get_previous (tree);
|
||||
prev != NULL;
|
||||
@ -1173,28 +1164,8 @@ gtk_css_selector_pseudoclass_position_tree_match (const GtkCssSelectorTree *tree
|
||||
gtk_css_selector_pseudoclass_position_tree_match_for_region (tree, prev, matcher, res);
|
||||
}
|
||||
|
||||
decode_position (&tree->selector, &type, &a, &b);
|
||||
switch (type)
|
||||
{
|
||||
case POSITION_FORWARD:
|
||||
if (!_gtk_css_matcher_has_position (matcher, TRUE, a, b))
|
||||
return;
|
||||
break;
|
||||
case POSITION_BACKWARD:
|
||||
if (!_gtk_css_matcher_has_position (matcher, FALSE, a, b))
|
||||
return;
|
||||
break;
|
||||
case POSITION_ONLY:
|
||||
if (!_gtk_css_matcher_has_position (matcher, TRUE, 0, 1) ||
|
||||
!_gtk_css_matcher_has_position (matcher, FALSE, 0, 1))
|
||||
return;
|
||||
break;
|
||||
case POSITION_SORTED:
|
||||
return;
|
||||
default:
|
||||
g_assert_not_reached ();
|
||||
return;
|
||||
}
|
||||
if (!get_position_match (&tree->selector, matcher))
|
||||
return;
|
||||
|
||||
gtk_css_selector_tree_found_match (tree, res);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user