[gtk/matthiasc/css-change: 3/3] css: Track selected state separately



commit d14bace6d0d9505b28c153ab629ca455d97a9fd2
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 15 20:27:12 2020 -0500

    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

 gtk/gtkcssnode.c         |  2 ++
 gtk/gtkcssselector.c     | 10 ++++++
 gtk/gtkcsstypes.c        |  9 ++++-
 gtk/gtkcsstypesprivate.h | 85 +++++++++++++++++++++++++-----------------------
 4 files changed, 65 insertions(+), 41 deletions(-)
---
diff --git a/gtk/gtkcssnode.c b/gtk/gtkcssnode.c
index 4f45e9a1d6..a7eb75d7d9 100644
--- a/gtk/gtkcssnode.c
+++ b/gtk/gtkcssnode.c
@@ -1160,6 +1160,8 @@ gtk_css_node_set_state (GtkCssNode    *cssnode,
         change |= GTK_CSS_CHANGE_STATE;
       if (states & ~GTK_STATE_FLAG_BACKDROP)
         change |= GTK_CSS_CHANGE_BACKDROP;
+      if (states & ~GTK_STATE_FLAG_SELECTED)
+        change |= GTK_CSS_CHANGE_SELECTED;
 
       gtk_css_node_invalidate (cssnode, change);
       g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_STATE]);
diff --git a/gtk/gtkcssselector.c b/gtk/gtkcssselector.c
index 3bd1e8044b..8c6465985c 100644
--- a/gtk/gtkcssselector.c
+++ b/gtk/gtkcssselector.c
@@ -748,6 +748,12 @@ DEFINE_SIMPLE_SELECTOR(pseudoclass_backdrop, PSEUDOCLASS_BACKDROP, print_pseudoc
                        FALSE, TRUE, FALSE)
 #undef GTK_CSS_CHANGE_PSEUDOCLASS_BACKDROP
 
+#define GTK_CSS_CHANGE_PSEUDOCLASS_SELECTED GTK_CSS_CHANGE_SELECTED
+DEFINE_SIMPLE_SELECTOR(pseudoclass_selected, PSEUDOCLASS_SELECTED, print_pseudoclass_state,
+                       match_pseudoclass_state, hash_pseudoclass_state, comp_pseudoclass_state,
+                       FALSE, TRUE, FALSE)
+#undef GTK_CSS_CHANGE_PSEUDOCLASS_SELECTED
+
 #define GTK_CSS_CHANGE_PSEUDOCLASS_STATE GTK_CSS_CHANGE_STATE
 DEFINE_SIMPLE_SELECTOR(pseudoclass_state, PSEUDOCLASS_STATE, print_pseudoclass_state,
                        match_pseudoclass_state, hash_pseudoclass_state, comp_pseudoclass_state,
@@ -1320,6 +1326,10 @@ gtk_css_selector_parse_selector_pseudo_class (GtkCssParser   *parser,
                     selector = gtk_css_selector_new (negate ? &GTK_CSS_SELECTOR_NOT_PSEUDOCLASS_BACKDROP
                                                             : &GTK_CSS_SELECTOR_PSEUDOCLASS_BACKDROP,
                                                      selector);
+                  else if (pseudo_classes[i].state_flag == GTK_STATE_FLAG_SELECTED)
+                    selector = gtk_css_selector_new (negate ? &GTK_CSS_SELECTOR_NOT_PSEUDOCLASS_SELECTED
+                                                            : &GTK_CSS_SELECTOR_PSEUDOCLASS_SELECTED,
+                                                     selector);
                   else 
                     selector = gtk_css_selector_new (negate ? &GTK_CSS_SELECTOR_NOT_PSEUDOCLASS_STATE
                                                             : &GTK_CSS_SELECTOR_PSEUDOCLASS_STATE,
diff --git a/gtk/gtkcsstypes.c b/gtk/gtkcsstypes.c
index 0406a7c837..eead8842d9 100644
--- a/gtk/gtkcsstypes.c
+++ b/gtk/gtkcsstypes.c
@@ -77,6 +77,7 @@ _gtk_css_change_for_sibling (GtkCssChange match)
                     | GTK_CSS_CHANGE_STATE \
                     | GTK_CSS_CHANGE_HOVER \
                     | GTK_CSS_CHANGE_DISABLED \
+                    | GTK_CSS_CHANGE_SELECTED \
                     | GTK_CSS_CHANGE_BACKDROP)
 
 #define KEEP_STATES ( ~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE) \
@@ -103,6 +104,7 @@ _gtk_css_change_for_child (GtkCssChange match)
                     | GTK_CSS_CHANGE_HOVER \
                     | GTK_CSS_CHANGE_DISABLED \
                     | GTK_CSS_CHANGE_BACKDROP \
+                    | GTK_CSS_CHANGE_SELECTED \
                     | GTK_CSS_CHANGE_SIBLING_CLASS \
                     | GTK_CSS_CHANGE_SIBLING_NAME \
                     | GTK_CSS_CHANGE_SIBLING_ID \
@@ -113,7 +115,8 @@ _gtk_css_change_for_child (GtkCssChange match)
                     | GTK_CSS_CHANGE_SIBLING_STATE \
                     | GTK_CSS_CHANGE_SIBLING_HOVER \
                     | GTK_CSS_CHANGE_SIBLING_DISABLED \
-                    | GTK_CSS_CHANGE_SIBLING_BACKDROP)
+                    | GTK_CSS_CHANGE_SIBLING_BACKDROP \
+                    | GTK_CSS_CHANGE_SIBLING_SELECTED)
 
 #define KEEP_STATES (~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE))
 
@@ -142,6 +145,7 @@ gtk_css_change_print (GtkCssChange  change,
     { GTK_CSS_CHANGE_HOVER, "hover" },
     { GTK_CSS_CHANGE_DISABLED, "disabled" },
     { GTK_CSS_CHANGE_BACKDROP, "backdrop" },
+    { GTK_CSS_CHANGE_SELECTED, "selected" },
 
     { GTK_CSS_CHANGE_SIBLING_CLASS, "sibling-class" },
     { GTK_CSS_CHANGE_SIBLING_NAME, "sibling-name" },
@@ -154,6 +158,7 @@ gtk_css_change_print (GtkCssChange  change,
     { GTK_CSS_CHANGE_SIBLING_HOVER, "sibling-hover" },
     { GTK_CSS_CHANGE_SIBLING_DISABLED, "sibling-disabled" },
     { GTK_CSS_CHANGE_SIBLING_BACKDROP, "sibling-backdrop" },
+    { GTK_CSS_CHANGE_SIBLING_SELECTED, "sibling-selected" },
 
     { GTK_CSS_CHANGE_PARENT_CLASS, "parent-class" },
     { GTK_CSS_CHANGE_PARENT_NAME, "parent-name" },
@@ -166,6 +171,7 @@ gtk_css_change_print (GtkCssChange  change,
     { GTK_CSS_CHANGE_PARENT_HOVER, "parent-hover" },
     { GTK_CSS_CHANGE_PARENT_DISABLED, "parent-disabled" },
     { GTK_CSS_CHANGE_PARENT_BACKDROP, "parent-backdrop" },
+    { GTK_CSS_CHANGE_PARENT_SELECTED, "parent-selected" },
 
     { GTK_CSS_CHANGE_PARENT_SIBLING_CLASS, "parent-sibling-" },
     { GTK_CSS_CHANGE_PARENT_SIBLING_NAME, "parent-sibling-name" },
@@ -178,6 +184,7 @@ gtk_css_change_print (GtkCssChange  change,
     { GTK_CSS_CHANGE_PARENT_SIBLING_HOVER, "parent-sibling-hover" },
     { GTK_CSS_CHANGE_PARENT_SIBLING_DISABLED, "parent-sibling-disabled" },
     { GTK_CSS_CHANGE_PARENT_SIBLING_BACKDROP, "parent-sibling-backdrop" },
+    { GTK_CSS_CHANGE_PARENT_SIBLING_SELECTED, "parent-sibling-selected" },
 
     { GTK_CSS_CHANGE_SOURCE, "source" },
     { GTK_CSS_CHANGE_PARENT_STYLE, "parent-style" },
diff --git a/gtk/gtkcsstypesprivate.h b/gtk/gtkcsstypesprivate.h
index 0c5fca945b..ee1c5b815d 100644
--- a/gtk/gtkcsstypesprivate.h
+++ b/gtk/gtkcsstypesprivate.h
@@ -39,54 +39,58 @@ typedef struct _GtkCssStyle GtkCssStyle;
 #define GTK_CSS_CHANGE_HOVER                          (1ULL <<  8)
 #define GTK_CSS_CHANGE_DISABLED                       (1ULL <<  9)
 #define GTK_CSS_CHANGE_BACKDROP                       (1ULL << 10)
-
-#define GTK_CSS_CHANGE_SIBLING_SHIFT 11 
-
-#define GTK_CSS_CHANGE_SIBLING_CLASS                  (1ULL << 11)
-#define GTK_CSS_CHANGE_SIBLING_NAME                   (1ULL << 12)
-#define GTK_CSS_CHANGE_SIBLING_ID                     (1ULL << 13)
-#define GTK_CSS_CHANGE_SIBLING_FIRST_CHILD            (1ULL << 14)
-#define GTK_CSS_CHANGE_SIBLING_LAST_CHILD             (1ULL << 15)
-#define GTK_CSS_CHANGE_SIBLING_NTH_CHILD              (1ULL << 16)
-#define GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD         (1ULL << 17)
-#define GTK_CSS_CHANGE_SIBLING_STATE                  (1ULL << 18)
-#define GTK_CSS_CHANGE_SIBLING_HOVER                  (1ULL << 19)
-#define GTK_CSS_CHANGE_SIBLING_DISABLED               (1ULL << 20)
-#define GTK_CSS_CHANGE_SIBLING_BACKDROP               (1ULL << 21)
+#define GTK_CSS_CHANGE_SELECTED                       (1ULL << 11)
+
+#define GTK_CSS_CHANGE_SIBLING_SHIFT 12 
+
+#define GTK_CSS_CHANGE_SIBLING_CLASS                  (1ULL << 12)
+#define GTK_CSS_CHANGE_SIBLING_NAME                   (1ULL << 13)
+#define GTK_CSS_CHANGE_SIBLING_ID                     (1ULL << 14)
+#define GTK_CSS_CHANGE_SIBLING_FIRST_CHILD            (1ULL << 15)
+#define GTK_CSS_CHANGE_SIBLING_LAST_CHILD             (1ULL << 16)
+#define GTK_CSS_CHANGE_SIBLING_NTH_CHILD              (1ULL << 17)
+#define GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD         (1ULL << 18)
+#define GTK_CSS_CHANGE_SIBLING_STATE                  (1ULL << 19)
+#define GTK_CSS_CHANGE_SIBLING_HOVER                  (1ULL << 20)
+#define GTK_CSS_CHANGE_SIBLING_DISABLED               (1ULL << 21)
+#define GTK_CSS_CHANGE_SIBLING_BACKDROP               (1ULL << 22)
+#define GTK_CSS_CHANGE_SIBLING_SELECTED               (1ULL << 23)
 
 #define GTK_CSS_CHANGE_PARENT_SHIFT (GTK_CSS_CHANGE_SIBLING_SHIFT + GTK_CSS_CHANGE_SIBLING_SHIFT)
 
-#define GTK_CSS_CHANGE_PARENT_CLASS                   (1ULL << 22)
-#define GTK_CSS_CHANGE_PARENT_NAME                    (1ULL << 23)
-#define GTK_CSS_CHANGE_PARENT_ID                      (1ULL << 24)
-#define GTK_CSS_CHANGE_PARENT_FIRST_CHILD             (1ULL << 25)
-#define GTK_CSS_CHANGE_PARENT_LAST_CHILD              (1ULL << 26)
-#define GTK_CSS_CHANGE_PARENT_NTH_CHILD               (1ULL << 27)
-#define GTK_CSS_CHANGE_PARENT_NTH_LAST_CHILD          (1ULL << 28)
-#define GTK_CSS_CHANGE_PARENT_STATE                   (1ULL << 29)
-#define GTK_CSS_CHANGE_PARENT_HOVER                   (1ULL << 30)
-#define GTK_CSS_CHANGE_PARENT_DISABLED                (1ULL << 31)
-#define GTK_CSS_CHANGE_PARENT_BACKDROP                (1ULL << 32)
+#define GTK_CSS_CHANGE_PARENT_CLASS                   (1ULL << 24)
+#define GTK_CSS_CHANGE_PARENT_NAME                    (1ULL << 25)
+#define GTK_CSS_CHANGE_PARENT_ID                      (1ULL << 26)
+#define GTK_CSS_CHANGE_PARENT_FIRST_CHILD             (1ULL << 27)
+#define GTK_CSS_CHANGE_PARENT_LAST_CHILD              (1ULL << 28)
+#define GTK_CSS_CHANGE_PARENT_NTH_CHILD               (1ULL << 29)
+#define GTK_CSS_CHANGE_PARENT_NTH_LAST_CHILD          (1ULL << 30)
+#define GTK_CSS_CHANGE_PARENT_STATE                   (1ULL << 31)
+#define GTK_CSS_CHANGE_PARENT_HOVER                   (1ULL << 32)
+#define GTK_CSS_CHANGE_PARENT_DISABLED                (1ULL << 33)
+#define GTK_CSS_CHANGE_PARENT_BACKDROP                (1ULL << 34)
+#define GTK_CSS_CHANGE_PARENT_SELECTED                (1ULL << 35)
 
 #define GTK_CSS_CHANGE_PARENT_SIBLING_SHIFT (GTK_CSS_CHANGE_PARENT_SHIFT + GTK_CSS_CHANGE_SIBLING_SHIFT)
 
-#define GTK_CSS_CHANGE_PARENT_SIBLING_CLASS           (1ULL << 33)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_ID              (1ULL << 34)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_NAME            (1ULL << 35)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_FIRST_CHILD     (1ULL << 36)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_LAST_CHILD      (1ULL << 37)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_NTH_CHILD       (1ULL << 38)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_NTH_LAST_CHILD  (1ULL << 39)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_STATE           (1ULL << 40)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_HOVER           (1ULL << 41)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_DISABLED        (1ULL << 42)
-#define GTK_CSS_CHANGE_PARENT_SIBLING_BACKDROP        (1ULL << 43)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_CLASS           (1ULL << 36)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_ID              (1ULL << 37)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_NAME            (1ULL << 38)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_FIRST_CHILD     (1ULL << 39)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_LAST_CHILD      (1ULL << 40)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_NTH_CHILD       (1ULL << 41)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_NTH_LAST_CHILD  (1ULL << 42)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_STATE           (1ULL << 43)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_HOVER           (1ULL << 44)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_DISABLED        (1ULL << 45)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_BACKDROP        (1ULL << 46)
+#define GTK_CSS_CHANGE_PARENT_SIBLING_SELECTED        (1ULL << 47)
 
 /* add more */
-#define GTK_CSS_CHANGE_SOURCE                         (1ULL << 44)
-#define GTK_CSS_CHANGE_PARENT_STYLE                   (1ULL << 45)
-#define GTK_CSS_CHANGE_TIMESTAMP                      (1ULL << 46)
-#define GTK_CSS_CHANGE_ANIMATIONS                     (1ULL << 47)
+#define GTK_CSS_CHANGE_SOURCE                         (1ULL << 48)
+#define GTK_CSS_CHANGE_PARENT_STYLE                   (1ULL << 49)
+#define GTK_CSS_CHANGE_TIMESTAMP                      (1ULL << 50)
+#define GTK_CSS_CHANGE_ANIMATIONS                     (1ULL << 51)
 
 #define GTK_CSS_CHANGE_RESERVED_BIT                   (1ULL << 62) /* Used internally in gtkcssselector.c */
 
@@ -105,6 +109,7 @@ typedef guint64 GtkCssChange;
                                  GTK_CSS_CHANGE_STATE    | \
                                  GTK_CSS_CHANGE_DISABLED | \
                                  GTK_CSS_CHANGE_BACKDROP | \
+                                 GTK_CSS_CHANGE_SELECTED | \
                                  GTK_CSS_CHANGE_HOVER)
 #define GTK_CSS_CHANGE_ANY_SIBLING (GTK_CSS_CHANGE_ANY_SELF << GTK_CSS_CHANGE_SIBLING_SHIFT)
 #define GTK_CSS_CHANGE_ANY_PARENT (GTK_CSS_CHANGE_ANY_SELF << GTK_CSS_CHANGE_PARENT_SHIFT)


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