From 99f2a1a9bf6fedeafe3e882f76aff876274d8ed3 Mon Sep 17 00:00:00 2001
From: Dave Davenport <qball@gmpclient.org>
Date: Mon, 18 Sep 2017 17:48:13 +0200
Subject: Add @theme import command, that resets the current theme.

---
 include/theme.h      | 5 +++++
 lexer/theme-lexer.l  | 6 ++++++
 lexer/theme-parser.y | 4 ++--
 source/theme.c       | 7 +++++++
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/include/theme.h b/include/theme.h
index df817e7c..843a658a 100644
--- a/include/theme.h
+++ b/include/theme.h
@@ -288,6 +288,11 @@ GList *rofi_theme_get_list ( const widget *widget, const char * property, const
  */
 gboolean rofi_theme_is_empty ( void );
 
+
+/**
+ * Reset the current theme.
+ */
+void rofi_theme_reset ( void );
 #ifdef THEME_CONVERTER
 /**
  * Convert old theme colors into default one.
diff --git a/lexer/theme-lexer.l b/lexer/theme-lexer.l
index 391ed3b8..a576e266 100644
--- a/lexer/theme-lexer.l
+++ b/lexer/theme-lexer.l
@@ -229,6 +229,7 @@ C_COMMENT_OPEN "/*"
 
 
 INCLUDE    "@import"
+THEME "@theme"
 
 CONFIGURATION (?i:configuration)
 
@@ -301,6 +302,11 @@ if ( queue == NULL ){
 <INITIAL>{INCLUDE} {
     g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
     BEGIN(INCLUDE);
+}
+<INITIAL>{THEME} {
+    rofi_theme_reset();
+    g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
+    BEGIN(INCLUDE);
 }
     /** Skip all whitespace */
 <INCLUDE>{WHITESPACE} {}
diff --git a/lexer/theme-parser.y b/lexer/theme-parser.y
index de22b98b..b97bae22 100644
--- a/lexer/theme-parser.y
+++ b/lexer/theme-parser.y
@@ -256,8 +256,8 @@ t_entry_list:
   %empty {
         // There is always a base widget.
         if (rofi_theme == NULL ){
-            $$ =  rofi_theme = g_slice_new0 ( ThemeWidget  );
-            rofi_theme->name = g_strdup ( "Root" );
+            rofi_theme_reset();
+            $$ =  rofi_theme;
         }
   }
 |  t_entry_list
diff --git a/source/theme.c b/source/theme.c
index fed1afc2..06e9e490 100644
--- a/source/theme.c
+++ b/source/theme.c
@@ -111,6 +111,13 @@ void rofi_theme_property_free ( Property *p )
     g_slice_free ( Property, p );
 }
 
+void rofi_theme_reset ( void )
+{
+    rofi_theme_free ( rofi_theme );
+    rofi_theme = g_slice_new0 ( ThemeWidget );
+    rofi_theme->name = g_strdup("Root");
+}
+
 void rofi_theme_free ( ThemeWidget *widget )
 {
     if ( widget == NULL ) {
-- 
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