Prelim: Style treeview for Professional

themes/gtk-3.0-base/styling/treeview.scss

@@ -26,7 +26,7 @@ $treeview_header_styles:
         padding,
         0,
         4,
-        0,
+        1,
         3
     );
 
@@ -42,3 +42,13 @@ $treeview_header_press_styles:
         undefined,
         url('../Resources/treeview_header_button_press_border.png')
     );
+$treeview_header_press_styles:
+    wintc_define_props_box(
+        $treeview_header_press_styles,
+        true,
+        padding,
+        1,
+        3,
+        0,
+        4
+    );

themes/professional/gtk-3.0/styling/_all.scss

@@ -18,6 +18,7 @@
 @import "scrollbar";
 @import "notebook";
 @import "csd";
+@import "treeview";
 
 @import "start-menu";
 @import "taskband";

themes/professional/gtk-3.0/styling/treeview.scss

@@ -0,0 +1,53 @@
+/**
+ * treeview.scss - Professional Style Tree-view Style Constants
+ *
+ * This source-code is part of Windows XP stuff for XFCE:
+ * <<https://www.oddmatics.uk>>
+ *
+ * Author(s): Rory Fewell <roryf@oddmatics.uk>
+ */
+
+$treeview_header_styles:
+    wintc_define_props_bg(
+        $treeview_header_styles,
+        false,
+        #DBDBCE,
+        undefined,
+        undefined,
+        undefined,
+        none
+    );
+
+$treeview_header_hover_styles:
+    wintc_define_props_bg(
+        $treeview_header_hover_styles,
+        false,
+        #C7DCF6,
+        undefined,
+        undefined,
+        undefined,
+        undefined
+    );
+$treeview_header_hover_styles:
+    wintc_define_props_borders(
+        $treeview_header_hover_styles,
+        false,
+        undefined,
+        undefined,
+        undefined,
+        undefined,
+        undefined,
+        undefined,
+        url('../Resources/treeview_header_button_hover_border.png')
+    );
+
+$treeview_header_press_styles:
+    wintc_define_props_bg(
+        $treeview_header_press_styles,
+        false,
+        #9DB9D9,
+        undefined,
+        undefined,
+        undefined,
+        undefined
+    );