[gtk+] css: Match state in siblings properly

[Benjamin Otte <otte src gnome org>]

commit dff52f7a040c2271ed93307f32a545bd662f9dbc
Author: Benjamin Otte <otte redhat com>
Date:   Wed Aug 13 16:18:39 2014 +0200

    css: Match state in siblings properly
    
    Previously, we always returned the state flags of the original widget
    and did not consider the siblings' pseudoclasses.
    
    Testcase is attached.

 gtk/gtkcssmatcher.c                             |    8 +++-
 testsuite/reftests/Makefile.am                  |    3 +
 testsuite/reftests/sibling-pseudoclasses.css    |    3 +
 testsuite/reftests/sibling-pseudoclasses.ref.ui |   46 +++++++++++++++++++++++
 testsuite/reftests/sibling-pseudoclasses.ui     |   43 +++++++++++++++++++++
 5 files changed, 102 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkcssmatcher.c b/gtk/gtkcssmatcher.c
index d169c27..b734bfa 100644
--- a/gtk/gtkcssmatcher.c
+++ b/gtk/gtkcssmatcher.c
@@ -56,7 +56,13 @@ gtk_css_matcher_widget_path_get_previous (GtkCssMatcher       *matcher,
 static GtkStateFlags
 gtk_css_matcher_widget_path_get_state (const GtkCssMatcher *matcher)
 {
-  return gtk_widget_path_iter_get_state (matcher->path.path, matcher->path.index);
+  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_get_state (siblings, matcher->path.sibling_index);
+  else
+    return gtk_widget_path_iter_get_state (matcher->path.path, matcher->path.index);
 }
 
 static gboolean
diff --git a/testsuite/reftests/Makefile.am b/testsuite/reftests/Makefile.am
index 8501c34..9e04237 100644
--- a/testsuite/reftests/Makefile.am
+++ b/testsuite/reftests/Makefile.am
@@ -334,6 +334,9 @@ testdata = \
        shorthand-entry-border.css \
        shorthand-entry-border.ref.ui \
        shorthand-entry-border.ui \
+       sibling-pseudoclasses.css \
+       sibling-pseudoclasses.ref.ui \
+       sibling-pseudoclasses.ui \
        simple.ref.ui \
        simple.ui \
        sizegroups-basics.css \
diff --git a/testsuite/reftests/sibling-pseudoclasses.css b/testsuite/reftests/sibling-pseudoclasses.css
new file mode 100644
index 0000000..52faf13
--- /dev/null
+++ b/testsuite/reftests/sibling-pseudoclasses.css
@@ -0,0 +1,3 @@
+:active + * {
+  color: tomato;
+}
diff --git a/testsuite/reftests/sibling-pseudoclasses.ref.ui b/testsuite/reftests/sibling-pseudoclasses.ref.ui
new file mode 100644
index 0000000..ef39a84
--- /dev/null
+++ b/testsuite/reftests/sibling-pseudoclasses.ref.ui
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.1 -->
+<interface>
+  <requires lib="gtk+" version="3.12"/>
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <child>
+      <object class="GtkBox" id="box1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child>
+          <object class="GtkToggleButton" id="togglebutton1">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <property name="active">True</property>
+            <child>
+              <placeholder/>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">I'm tomato.</property>
+            <attributes>
+              <attribute name="foreground" value="#ffff63634747"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/testsuite/reftests/sibling-pseudoclasses.ui b/testsuite/reftests/sibling-pseudoclasses.ui
new file mode 100644
index 0000000..4c83b24
--- /dev/null
+++ b/testsuite/reftests/sibling-pseudoclasses.ui
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.1 -->
+<interface>
+  <requires lib="gtk+" version="3.12"/>
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <child>
+      <object class="GtkBox" id="box1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child>
+          <object class="GtkToggleButton" id="togglebutton1">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <property name="active">True</property>
+            <child>
+              <placeholder/>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">I'm tomato.</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>