Remove win32 themeing support

It was unused through all of GTK 3, so it is not worth supporting.

The best Windows themes do not make use of it at all.

2 files changed, 2 insertions, 30 deletions

diff --git a/docs/reference/gtk/css-overview.xml b/docs/reference/gtk/css-overview.xml
index 9c942e72d2..bbdf66485e 100644
--- a/docs/reference/gtk/css-overview.xml
+++ b/docs/reference/gtk/css-overview.xml
@@ -546,7 +546,7 @@ checkbutton:indeterminate {
       GTK adds several additional ways to specify colors.
     </para>
 
-<literallayout><code>〈gtk color〉 = 〈symbolic color〉 | 〈color expression〉 | 〈win32 color〉</code>
+<literallayout><code>〈gtk color〉 = 〈symbolic color〉 | 〈color expression〉</code>
 </literallayout>
 
     <para>
@@ -594,13 +594,6 @@ checkbutton:indeterminate {
 <code>                     alpha( 〈color〉, 〈number〉 ) | mix( 〈color〉, 〈color〉, 〈number〉 )</code>
 </literallayout>
 
-    <para>
-      On Windows, GTK allows to refer to system colors, as follows:
-    </para>
-
-<literallayout><code>〈win32 color〉 = -gtk-win32-color( 〈name〉, 〈integer〉 )</code>
-</literallayout>
-
   </refsect2>
 
   <refsect2>
@@ -737,7 +730,7 @@ label {
       GTK extends the CSS syntax for images and also uses it for specifying icons.
     </para>
 
-<literallayout><code>〈gtk image〉 = 〈themed icon〉 | 〈scaled image〉 | 〈recolored image〉 | 〈win32 theme part〉</code>
+<literallayout><code>〈gtk image〉 = 〈themed icon〉 | 〈scaled image〉 | 〈recolored image〉</code>
 </literallayout>
 
     <para>
@@ -815,13 +808,6 @@ arrow {
 }
 ]]></programlisting>
     </example>
-    <para>
-      On Windows, GTK allows to refer to system theme parts as images, as follows:
-    </para>
-
-<literallayout><code>〈win32 theme part〉 = -gtk-win32-theme-part( 〈name〉, 〈integer〉 〈integer〉</code>
-<code>                                              [ , [ over( 〈integer〉 〈integer〉 [ , 〈alpha value〉 ]? ) | margins( 〈integer〉{1,4} ) ] ]* )</code>
-</literallayout>
 
   </refsect2>
 
diff --git a/docs/reference/gtk/css-properties.xml b/docs/reference/gtk/css-properties.xml
index beadcfa880..5be2484754 100644
--- a/docs/reference/gtk/css-properties.xml
+++ b/docs/reference/gtk/css-properties.xml
@@ -65,20 +65,6 @@ We use <literallayout> for syntax productions, and each line is put in a <code>
       not quite the same as the CSS definition of rem.
     </para>
 
-    <para>
-      Whereever a number is allowed, GTK also accepts a Windows-specific
-      theme size:
-    </para>
-
-<literallayout>
-<code>〈win32 theme size〉 = 〈win32 size〉 | 〈win32 part size〉</code>
-<code>〈win32 size〉 = -gtk-win32-size ( 〈theme name〉, 〈metric id〉 )</code>
-<code>〈win32 part size〉 = [ -gtk-win32-part-width | -gtk-win32-part-height |</code>
-<code>                      -gtk-win32-part-border-top | -gtk-win32-part-border-right |</code>
-<code>                      -gtk-win32-part-border-bottom | -gtk-win32-part-border-left ]</code>
-<code>                    ( 〈theme name〉 , 〈integer〉 , 〈integer〉 )</code>
-</literallayout>
-
 <literallayout><code>〈calc expression〉 = calc( 〈calc sum〉 )</code>
 <code>〈calc sum〉 = 〈calc product〉 [ [ + | - ] 〈calc product〉 ]*</code>
 <code>〈calc product〉 = 〈calc value〉 [ * 〈calc value〉 | / 〈number〉 ]*</code>